And now, without further ado, I present the (biggest?) list of over 980 free WordPress Themes for v1.5.x and up:

1. 11:05 REQUIRES WordPress 2.0+
2. 12 Apostle
3. 15n41n1
4. 2.Light
5. 2cDarkGrey
6. 2cGreen
7. 2cOrange
8. 2Exquisite REQUIRES WordPress 2.0+
9. 3c-Black-LetterHead
10. 3K2 3 column version of K2
11. 3some REQUIRES WordPress 2.0+
12. 5ThirtyOne Foliage tested with WordPress 2.0
13. 80.1
14. 82
15. 8 Crazy Nights
16. A Better Way to Clean
17. A Blog Beyond
18. A New Spring
19. AAA Summer Jam NEW
20. Aalglatt
21. Abduction
22. Abstrakt tested with WordPress 2.0
23. Absrakt 3 column tested with WordPress 2.0 Has wordpress widgets support
24. AC-Nucleus
25. Accidental Khaki
26. Aclide
27. Ads Minded NEW tested with WordPress 2.0
28. Ads Minded - Wide Version NEW tested with WordPress 2.0
29. Adsense Ready Three Column
30. Adventure
31. Aesthetic tested with WordPress 2.0
32. Aesthetic Azure
33. Aidens Theme
34. Akhdian tested with WordPress 2.0
35. Afterglow
36. Against It All
37. AjaxContempt
38. AjaxRegulus
39. Akua
40. Ala Moana
41. Alamo For Hearty Texans
42. Alice Blue
43. All About Flowers
44. Almost Spring tested with WordPress 2.0
45. Almost Spring v1.3 REQUIRES WordPress 2.0+ includes wordpress widgets support
46. Almodovar
47. ALPHA for Churches
48. Alpine REQUIRES WordPress 2.0+
49. Alternate 0
50. Altitude
51. Ambiru
52. Amsterdam Nights tested with WordPress 2.0
53. anarchy
54. And Black Met White tested with WordPress 2.0
55. And Black Met White II tested with WordPress 2.0
56. Angel
57. Angelical
58. Anthosia tested with WordPress 2.0
59. Anthosia2 NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
60. Anthosia3c NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
61. Antique-Modern
62. Anthology REQUIRES WordPress 2.0+
63. Anthurium Mix tested with WordPress 2.0
64. Aplus
65. AquaFluid tested with WordPress 2.0
66. Aquarium NEW tested with WordPress 2.0
67. Archway
68. Artsemerging tested with WordPress 2.0
69. Arzel XT2
70. Audyasha
71. AukerTheme
72. Autumn
73. Autumn (by Jennifer)
74. Autumn II
75. Automatic Midnight
76. Back in Black
77. Back in Black 2 no longer only black, now supports 5 different colors
78. Banana Smoothie
79. Barthelme REQUIRES WordPress 2.0+ includes wordpress widgets support
80. Baruson Mini Valley
81. basic
82. Basic Seriom
83. Batavia 1.5 tested with WordPress 2.0
84. Be Nice tested with WordPress 2.0
85. Beach
86. Beach House
87. Beast Blog
88. The Beauty Within
89. Beeblebrox
90. Benevolence
91. BETA NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
92. Bionic Jive
93. Binary Blue REQUIRES WordPress 2.0+ includes wordpress widgets support
94. Blackblood NEW
95. Black-LetterHead
96. Black LetterHead Three Columns
97. Black Gloss tested with WordPress 2.0
98. Black Gloss Tabs
99. Blasé tested with WordPress 2.0
100. blaxblog REQUIRES WordPress 2.0+
101. Biru Manteb V2
102. Blindigo
103. Blix
104. Blocked
105. Blocky
106. BLOG.TXT REQUIRES WordPress 2.0+ includes wordpress widgets support
107. blogtimes
108. Bloo
109. Blook tested with WordPress 2.0 if you want your "blog to start at the beginning and end at the end"
110. Bosa
111. BloxPress Beta
112. Blow Yo’ Mind, Man
113. Blucrome
114. Bluecube
115. Blue Clouds V2
116. Blue Curves
117. Blue Horizon tested with WordPress 2.0 includes wordpress widgets support
118. Blue House
119. Blue Kino tested with WordPress 2.0
120. Blue Leaves REQUIRES WordPress 2.0+ includes wordpress widgets support
121. Blue Leaves V2
122. Blue Mountain
123. Blue Radiant
124. Blue Tech
125. Blueberry Boat
126. Blue-Bye-You
127. Bon Voyage
128. Borderline Chaos tested with WordPress 2.0
129. Boredom!
130. Boredum
131. Borobudur
132. Bosa
133. Boxy But Gold
134. BoxyBlue
135. Brajeshwar v7.0
136. Branches
137. Bricks (download here)
138. Bright
139. Brushed Simple
140. Burnfield Dark
141. Business
142. c3ro fire
143. c3ro silence
144. Cameron Moll Grunge Mix
145. Cartoon Love
146. Categories
147. Central Industrial
148. Cereal Port
149. ChaoticSoul
150. Channing REQUIRES WordPress 2.0+
151. Cherry Berry
152. Cherry Blossom
153. ChinaRed
154. ChipShot NEW
155. Chocolate Bar
156. Chocolate Candy
157. Choices V.2 (Theme Builder)
158. Chrome
159. Chuck A Wobbly
160. Citrus
161. City Bridge
162. Clasikue
163. Classic Beauty
164. CleanBlue
165. CleanBreeze
166. Clean Look
167. Clean Slate
168. ClearBlue
169. Click designed specifically for photobloggers/photoblogging - requires plugins
170. Cloudy
171. Clueless
172. Cnnesque
173. Cocoa Stripes
174. Coffee Cup tested with WordPress 2.0
175. Coffee Time
176. Coldplay NEW
177. Collage Effect
178. Complicated
179. Conestoga Street
180. Connections tested with WordPress 2.0
181. Connections Reloaded tested with WordPress 2.0 includes wordpress widgets support
182. Contempt
183. Converse
184. Conzep
185. Copacetix
186. Copperleaf Plus
187. Corkboard
188. Corporate Look
189. Corporate Play
190. Corporate Pro
191. Correspondence
192. Craving for Green REQUIRES WordPress 2.0+
193. Crimson Milk
194. Crimson Sunrise
195. Crisp and Clean
196. Crop Circles
197. Cub Reporter
198. Cup O’ Joe
199. Curtains Up
200. Cutie in Any Color
201. Cutie in Orange NEW
202. Cutie in Red NEW
203. D3S1GN ON3
204. Daisy Rae Gemini
205. Dancing Woman
206. Dapit Hapon REQUIRES WordPress 2.0+
207. DarkPad
208. Dark Maple
209. Dark Night tested with WordPress 2.0
210. Darkfall
211. Dash of Cinnamon
212. Day Dream REQUIRES WordPress 2.0+
213. Deep Blue
214. Deficient
215. Deichnetz
216. Delusions
217. DescentBrown
218. Descent Green
219. Desert Theme
220. Devenir En Gris
221. DFire NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
222. Dimension 2k
223. Dimension 2k Green
224. Dingle NEW REQUIRES WordPress 2.0+
225. Disconnected tested with WordPress 2.0 includes wordpress widgets support
226. Dixie Belle
227. Dirt REQUIRES WordPress 2.0+
228. Dog Blog
229. Dollars Theme
230. Don’t Panic
231. Don’t Ride With Hitler!
232. Double Header
233. Dragonfly
234. Drive Theme
235. Drunkey Love tested with WordPress 2.0
236. DS Blog
237. Duaempat
238. Duct Tape Kids
239. Durable REQUIRES WordPress 2.0+
240. Dusk
241. Dusk v1.2 REQUIRES WordPress 2.0+ includes wordpress widgets support
242. DXX
243. East View
244. Echo 6
245. Eclectic
246. egoSconnesso[dot]net
247. Electric Brown
248. Electricity
249. Elegant
250. Elegant Blue
251. Elvgren
252. Emerson REQUIRES WordPress 2.0+
253. Emire
254. Enlightened
255. Ensellitis
256. equiX
257. Executive Pro
258. Express Yourself
259. Exquisite
260. Extra! Extra
261. f3Green
262. fBlue
263. fDawn
264. fGala
265. fGreen
266. fHeaven
267. fMulti
268. fNice
269. fOrange
270. fScreen
271. fSimple
272. fSpring NEW tested with WordPress 2.0 includes wordpress widgets support
273. fSubtle
274. fTiny
275. Fading Flowers
276. Faintly Victorian
277. Fall-In-Love
278. Falling
279. Falling Dreams
280. Falling Dreams 2.0 REQUIRES WordPress 2.0+
281. Falling Leaves
282. Fastlane
283. FastTrack tested with WordPress 2.0
284. Fava Beans and a Nice Chianti
285. Festive
286. Fighting the Darkness
287. FireFox Theme
288. Flawless Imperfection
289. Fleur De Lys tested with WordPress 2.0
290. Flex
291. Flippin’ Sweet!
292. Fluidity tested with WordPress 2.0
293. FlyHigher
294. FlyHigher 2.0
295. Foliage Mod tested with WordPress 2.0
296. Follow Me
297. ForumED
298. Foundation
299. Framefake Theme
300. Fresh
301. Fresh Bananas
302. Frusti
303. Fundamental
304. Funny Pictures
305. G-S Theme
306. GanjaPress
307. Garden Log
308. Gemini
309. Gemini Black
310. Gemini Blue
311. Gemini Colored
312. Gemini Green
313. Gemini Pink
314. Gemini Purple
315. Gemini Red
316. Gemini Tan
317. Gemini Yellow
318. Generic Unicol NEW
319. Genesis
320. Gentle Calm
321. Gespaa
322. Gespaa Theme Two Columns
323. Gila
324. Gila Lime
325. Ginseng Coffee
326. Giraffe
327. Girl in Green
328. Girls-Suck
329. Glass People tested with WordPress 2.0
330. Glyph
331. Golden Grey Theme
332. Goldie Purple REQUIRES WordPress 2.0+
333. Gossip Box (a wordpress theme designed to resemble MSN messenger)
334. Got The Blues NEW
335. GR 1.2
336. Graffiti NEW
337. Grass Template 1.5
338. Gray and Pink
339. Gray is Beautiful v2
340. Gray Mantle REQUIRES WordPress 2.0+ includes wordpress widgets support
341. Green Earth
342. Green Marinee
343. Green Mountain
344. Green River
345. Greenbay v2 NEW
346. Greenie
347. Greenery
348. Greening REQUIRES WordPress 2.0+ includes wordpress widgets support
349. GreenTrack UPDATED
350. Green Trees
351. Greenwood
352. Greetz
353. Grey and Simple
354. Grimelda
355. Grubby Slipcovers
356. h4×0r (hacker)
357. HappyBlog
358. Head
359. Headspace
360. Hemingway
361. Hemingway Bright tested with WordPress 2.0
362. Hemmed requires WordPress 2.0 NEW
363. Hemsqui
364. Highway Tunnel Bull
365. Hiperminimalist
366. Holiday tested with WordPress 2.0 Multiple holiday theme, supporting 20 holidays
367. Horizontal (this wp theme requires visitors to have javascript enabled)
368. Husna
369. iGreenTrack
370. I Always Wanted to be Tenenbaum
371. I Like Grey
372. I Remember
373. I See Frogs
374. I’m Just a Crosshair
375. Ice
376. IceBlue
377. Iconis Triple REQUIRES WordPress 2.0+ includes wordpress widgets support
378. Id Band 2 3 columns centered REQUIRES WordPress 2.0+
379. Identification Bands UPDATED (NOTE: this theme comes in 8 flavours, with choices for 4, 3, & 2 column layouts!)
380. Idle Time
381. IkIn 1
382. Illumination
383. Imhotep
384. Impact
385. Impressionist
386. In Business
387. In3D
388. Industrial (needs work: still in alpha form)
389. Industry v2
390. Internet Jobs
391. Internet Market tested with WordPress 2.0
392. Intensive
393. Involution
394. Iridium
395. Iris
396. Irish
397. Isla
398. Istrania Autumn
399. Japanese Cherry Blossom
400. Jakarta
401. JDBlue REQUIRES WordPress 2.0+
402. Jentri
403. Jill Whiteclear REQUIRES WordPress 2.0+ includes wordpress widgets support
404. Jive NEW REQUIRES WordPress 2.0+
405. JohnnyBlue
406. Journalized (Blue)
407. Journalized (Sand)
408. Journalized (Winter)
409. Juicy
410. Juicy from sw4n.net NEW
411. Just A Girl
412. Just A Mindset
413. Just Dashing
414. Justux
415. K2 REQUIRES WordPress 2.0+
416. K2-Buttermilk beta REQUIRES WordPress 2.0+
417. K2-Distorted beta REQUIRES WordPress 2.0+
418. K2-Miniature beta REQUIRES WordPress 2.0+
419. K2-Outbreak beta REQUIRES WordPress 2.0+
420. K2 Reloaded REQUIRES WordPress 2.0+
421. Kampungku
422. Kansas City tested with WordPress 2.0
423. Kauderwelsch
424. Kickass-Boxes in Blue
425. Kickass-Boxes in Gold
426. Kickass-Boxes in Jade
427. Kickass-Boxes in Rose
428. Kickass-Convergence
429. Kickass Dune
430. Kickass-Spookyblue
431. Kickass-Squawk!
432. KISS
433. Kisses
434. Kitten Love
435. Kiwi Embedded inside are a few nifty tools that give the user the freedom to change the layout structure and components without delving into the code, and make navigating the site a bit more interesting for the reader"
436. KKP Lite REQUIRES WordPress 2.0+
437. Krad
438. Kubrick 1.5 - AllSidebar Edition
439. Kurtina REQUIRES WordPress 2.0+
440. Lack of Love
441. LactPlate
442. Laila 2.0 includes wordpress widgets support tested with WordPress 2.0
443. Laila
444. Lampadina (Lightbulb)
445. Landzilla
446. Last Regrets
447. Lazy Days
448. Leaves
449. Leaves Revamped includes wordpress sidebar widgets support tested with WordPress 2.0
450. Leia NEW REQUIRES WordPress 2.0+
451. Leone REQUIRES WordPress 2.0+
452. Lesbar
453. LetterHead
454. Let Them Eat Cake!
455. Liberated
456. LightCMS
457. Light Purple Mod
458. Lime & Simple
459. Limecat
460. LimeLite
461. Lines Dark Grey
462. Linucon 2
463. Linux Force 1.0
464. Littleguydesigns
465. Liquid Summer tested with WordPress 2.0
466. Lonely Lemon
467. Long Way
468. Loser
469. Love4Love
470. Love and Destroy
471. Lucid
472. Lucky Blue
473. Lush REQUIRES WordPress 2.0+ includes wordpress widgets support
474. Lush for wp1.5
475. Lysergic Bliss
476. Macaws
477. Mallow
478. Man~ja
479. Manji and Manji2 (Manji2 is a two-column version of Manji.)
480. Maple Leaf
481. Martyr
482. Mashed Spuds
483. McFire
484. McStars
485. Meadow
486. Mediocrity
487. Mental Disorder REQUIRES WordPress 2.0+
488. Mesozoic
489. Messala
490. Meteora
491. Metta Red
492. Metropolis v2
493. Microsano NEW
494. Milc
495. Milc3 tested with WordPress 2.0
496. Milkxt
497. Minim8
498. Minima Plus
499. Minimalist Sandbox NEW REQUIRES WordPress 2.0+ includes wordpress widgets support (options for 1 and 2 columns, as well)
500. Mint Chocolate Chip Revamped
501. Minty Green
502. Mint Julep
503. Minus One
504. Mist
505. Mixed Bouquet
506. Modern tested with WordPress 2.0
507. Modern World
508. Movement
509. MTsix
510. Mullet
511. Museum
512. MW
513. MX4
514. My Favorite Scarf
515. Mystical
516. NAN theme
517. Narnia
518. Nature
519. Nautica 2.2
520. Nautica 05
521. Neptune
522. Neat!
523. Neo-Sapien NEW
524. Neon Scribbles
525. Neuron
526. News
527. News Times Theme
528. New York, New York NEW REQUIRES WordPress 2.0+
529. New Zen REQUIRES WordPress 2.0+
530. Nexus
531. NFO Overload
532. Nikynik
533. Nikynik Blue NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
534. Nikynik Green NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
535. Nikynik Orange REQUIRES WordPress 2.0+ includes wordpress widgets support
536. Nikynik Red NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
537. Nine Inch Nails Black tested with WordPress 2.0
538. Nine Inch Nails White tested with WordPress 2.0
539. Nine Shades of Green tested with WordPress 2.0
540. Ninja
541. No Probs
542. NoLimits tested with WordPress 2.0
543. Northern Web Coders
544. Nostalgia
545. Notebook
546. Number 2 v2
547. Nyc
548. Oasis
549. Obsidian
550. Ocadia tested with WordPress 2.0
551. Ocadia v1.3 REQUIRES WordPress 2.0+ includes wordpress widgets support
552. Ocean
553. Off the Wall
554. Offbeat
555. Old School
556. Old train
557. OMEGA
558. On Fire
559. One Column
560. OneF
561. Online Business
562. Operate
563. Opus 68
564. Orange
565. Orange Rose
566. OrangeScale NEW REQUIRES WordPress 2.0+
567. ORANGEflower
568. OrangeSky tested with WordPress 2.0
569. Orchid tested with WordPress 2.0
570. Out of the Blue tested with WordPress 2.0
571. Out There
572. Out There Widget Edition REQUIRES WordPress 2.0+ includes wordpress widgets support
573. Oxymod
574. Painted Desert
575. Papillon
576. Parishuddha
577. Parker REQUIRES WordPress 2.0+
578. Pastel v2
579. Patriot
580. Pelangi Ungu
581. Pepper Press
582. Persian
583. Persnickety
584. Phenom v2
585. PhoenixBlue tested with WordPress 2.0
586. PhoenixTheme tested with WordPress 2.0
587. Photanical Theme
588. Pink Butterflies
589. Pink Curves
590. Pink is the New Black
591. Pink Winter
592. Pinkalicious
593. Pinstripes
594. Placid
595. Plain Grey
596. Plain v2
597. Plain Vanilla
598. Plainrox
599. plaintxtBlog REQUIRES WordPress 2.0+ includes wordpress widgets support
600. Plane Jane
601. Pod
602. Poetic Love
603. Polaroid designed specifically for photobloggers/photoblogging - requires plugins
604. Pool tested with WordPress 2.0
605. Pop Art
606. Postcards From the Edge
607. Prebuilt NEW
608. PressRow tested with WordPress 2.0
609. Pressy
610. Pro
611. Problogger Clean
612. Prozac
613. Pray for Mercy!
614. PSI
615. Psycho
616. pumpkin
617. Punk
618. QBZ Theme
619. Qwilm! REQUIRES WordPress 2.0+ includes wordpress widgets support
620. Quentin
621. RadMod
622. Radical Image
623. Ragiels Dream
624. Ragiels Dream Two
625. Rain REQUIRES WordPress 2.0+
626. Rainbow
627. Raining on Me tested with WordPress 2.0
628. Rampart
629. Random Image tested with WordPress 2.0
630. rc2005
631. RC 1.0
632. rdc* theme
633. Red & Blue Make White
634. Red and White
635. Red Autumn
636. Red Is Nice tested with WordPress 2.0
637. Red Marinee
638. Red Stripes
639. Red Train tested with WordPress 2.0
640. Redbar
641. RedLight NEW REQUIRES WordPress 2.0+
642. Reflection 1.0
643. Reflections
644. Refresh!
645. Refresh 3 cols
646. Regency REQUIRES WordPress 2.0+
647. Regulus
648. Regulus 2.0 REQUIRES WordPress 2.0+
649. Relaxed
650. Relaxation
651. Relaxtion 3 columns
652. Remember
653. Renovatio
654. Repeating Hearts
655. Resolution
656. Retrospotive
657. Revved Up tested with WordPress 2.0
658. Right Justified
659. Rin
660. Rin Tin Tin
661. River Rocks
662. Rounded REQUIRES WordPress 2.0+
663. Rounded v2 REQUIRES WordPress 2.0+
664. RoundFlow REQUIRES WordPress 2.0+ includes wordpress widgets support
665. Rori Red
666. Rotten Tarp
667. Royal
668. Rubric
669. Rusty REQUIRES WordPress 2.0+
670. Safety
671. Sapphire
672. Sarchasm
673. Saturday Evening REQUIRES WordPress 2.0+
674. Savoy Truffle
675. Scam City
676. Scattered
677. Scarlet Blaze
678. Scarlett Johanssen
679. Scary Little
680. Sculpt
681. SeaBeast
682. Secret Agent
683. Semiologic this CMS theme comes packed with some powerful plugins, has 3 skins to choose from including a 3 column version AND is localized in no less than 5 languages
684. Seniorita tested with WordPress 2.0
685. Serinity
686. SG/Dark tested with WordPress 2.0
687. ShadedGrey tested with WordPress 2.0
688. Shades of Blue
689. Shantia
690. Sharepoint Like
691. Shiny NEW
692. Shutterbug (for photobloggers!)
693. Simpl-3
694. Simpla
695. Simple Blog
696. Simple Blue NEW REQUIRES WordPress 2.0+
697. Simple Clean
698. Simple Green
699. Simple Green from bloggingthemes.com NEW REQUIRES WordPress 2.0+
700. Simple Grey
701. Simplicity
702. Simplicity 0
703. Simplicss
704. Simplifisticate
705. Simplify
706. Simplr REQUIRES WordPress 2.0+ includes wordpress widgets support
707. SimplyCute
708. Simply-Vic tested with WordPress 2.0
709. Sinplex v2
710. Sirius REQUIRES WordPress 2.0+
711. Sixties
712. Sky REQUIRES WordPress 2.0+ includes wordpress widgets support
713. Sky3c REQUIRES WordPress 2.0+ includes wordpress widgets support
714. SlaityStain
715. Slash Dot
716. Sleek
717. Slick
718. Slimple beta
719. SmallBiz_3
720. Smallr
721. Smotiau REQUIRES WordPress 2.0+
722. SnobTheme tested with WordPress 2.0
723. Snow White
724. Snowy Mountains
725. Soccer Theme NEW
726. Soft White
727. SoftRed
728. Sonia
729. Soothe
730. Sparanoia Beta 0
731. Spiderman
732. Spiral
733. Spirit
734. Spring
735. Spring_beta NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
736. Spring Flavoured Manji
737. Springer
738. Springtime
739. Squares
740. Squible
741. Stamps NEW REQUIRES WordPress 2.0+
742. Stanch
743. Starburst
744. Steam
745. Stevish 2.0
746. Stevish Castle
747. Stevish Dream
748. Stevish Got Class
749. Stevish
750. Story.Blu tested with WordPress 2.0
751. Story.Red tested with WordPress 2.0
752. Story.Pink tested with WordPress 2.0
753. Story.Green tested with WordPress 2.0
754. Story tested with WordPress 2.0
755. StoryTeller
756. Stripes
757. Striped
758. StripedPlus REQUIRES WordPress 2.0+ includes wordpress widgets support
759. Stripped
760. Stucco
761. Stuttering
762. Stylish Blue Modern
763. Subliminal
764. Subnixus
765. Subtle NEWincludes wordpress widgets support
766. Summer Kiss
767. Summer Lite (requires some plugins to work)
768. Summer Sun
769. Summertime
770. Sunflowers
771. Sunset
772. Sunset v1.00 REQUIRES WordPress 2.0+
773. Suposedly Clean
774. Stuttering
775. Sunflowers
776. Sweet Blossoms
777. Sweet Pink!
778. Swirl
779. triSexuality Standard
780. Taft
781. Tan designed specifically for photobloggers/photoblogging - requires plugins
782. Tannagh Colors
783. Tannagh Theme2
784. Tarski tested with WordPress 2.0
785. Tech-Bytes
786. TechnoBlue
787. Tectropicana REQUIRES WordPress 2.0+
788. TemplateXtreme Sample REQUIRES WordPress 2.0+ includes wordpress widgets support
789. Terracotta
790. The Beauty Within
791. The Cabinet
792. Theorem
793. Thin Green Line
794. Thingamablog
795. Think Different
796. Thirteen
797. Thirteen v1.2 REQUIRES WordPress 2.0+ includes wordpress widgets support
798. Thought Mechanics
799. Three Column Theme
800. TicTac - Wuhan
801. Tiga
802. Timeless Grace
803. Tiny
804. tjodalf1
805. TNO Theme
806. Toni Themes
807. Track 17
808. Track Jacket
809. Travelogue
810. Treba
811. Treacle
812. TriColumn
813. Trident
814. Trini Press
815. Tropical Breeze tested with WordPress 2.0
816. Tropical Grunge
817. True Odyssey
818. Tulip
819. Turtlebird
820. Twilight
821. TypoXP REQUIRES WordPress 2.0+
822. Ultrasimple
823. Umulas
824. Union Jack
825. Unity
826. Unsleepable REQUIRES WordPress 2.0+
827. Unthinkable
828. UrbanDecay NEW REQUIRES WordPress 2.0+
829. Utica Avenue
830. v4ny Theme 1 You can preview all of the many v4ny wordpress themes HERE
831. v4ny Theme 2
832. v4ny Theme 3
833. v4ny Theme 4
834. v4ny Theme 5
835. v4ny Theme 6
836. v4ny Theme 7
837. v4ny Theme 8
838. v4ny Theme 9
839. v4ny Theme 10
840. v4ny Theme 11
841. v4ny Theme 12
842. v4ny Theme 13
843. v4ny Theme 14
844. v4ny Theme 15
845. v4ny Theme 16
846. v4ny Theme 17
847. v4ny Theme 18
848. v4ny Theme 19
849. v4ny Theme 20
850. v4ny Theme 22
851. v4ny Theme 23
852. v4ny Theme 24
853. v4ny Theme 25
854. v4ny Theme 26
855. v4ny Theme 27
856. v4ny Theme 28
857. v4ny Theme 29
858. v4ny Theme 30
859. v4ny Theme 31
860. v4ny Theme 32
861. v4ny Theme 33
862. v4ny Theme 34
863. v4ny Theme 35
864. v4ny Theme 36
865. v4ny Theme 37
866. v4ny Theme 38
867. v4ny Theme 39
868. v4ny Theme 40
869. v4ny Theme 41
870. v4ny Theme 42
871. v4ny Theme 43
872. v4ny Theme 45
873. v4ny Theme 47
874. v4ny Theme 48
875. v4ny Theme 49
876. v4ny Theme 50
877. v4ny Theme 51
878. v4ny Theme 52
879. v4ny Theme 53
880. v4ny Theme 54
881. v4ny Theme 55
882. v4ny Theme 56
883. v4ny Theme 57
884. v4ny Theme 58
885. v4ny Theme 59
886. v4ny Theme 60
887. v4ny Theme 61
888. v4ny Theme 62
889. v4ny Theme 63
890. v4ny Theme 64
891. v4ny Theme 65
892. v4ny Theme 66
893. v4ny Theme 67
894. v4ny Theme 68
895. v4ny Theme 69
896. v4ny Theme 70
897. v4ny Theme 71
898. v4ny Theme 73
899. v4ny Theme 74
900. v4ny Theme 75
901. v4ny Theme 76
902. v4ny Theme 77
903. v4ny Theme 78
904. v4ny Theme 79
905. v4ny Theme 80
906. v4ny Theme 81
907. v4ny Theme 82
908. v4ny Theme 83
909. v4ny Christmas #1
910. v4ny Christmas #2
911. v4ny Christmas #3
912. v4ny Christmas #4
913. Vancouver Nights
914. Vesuvius
915. veryplaintxt REQUIRES WordPress 2.0+ includes wordpress widgets support
916. Very Simple
917. Vicksburg
918. Vivacity
919. vSlider
920. vSlider G2 great for photoblogging
921. vSlider 2.0 REQUIRES WordPress 2.0+
922. Warm and Dry
923. Way Too Clean
924. Weblog.us
925. What’s Your Solution
926. Wheatgrass
927. White as Milk
928. White is the New Red
929. White Onion
930. Whitespace
931. Wild Like Children
932. Windstorm
933. Winter Wonderland
934. Wonderwall still in alpha stages, requires plugins (comes with them)
935. WordPress 86
936. WordPress 87
937. WordPress 88 tested with WordPress 2.0
938. WordPress 89 tested with WordPress 2.0
939. WordPress 90 tested with WordPress 2.0
940. WordPress 91 tested with WordPress 2.0
941. WordPress 92 tested with WordPress 2.0
942. WordPress 93 tested with WordPress 2.0
943. WordPress 94 tested with WordPress 2.0
944. WordPress 95 tested with WordPress 2.0
945. WordPress 96 tested with WordPress 2.0
946. WordPress 97 tested with WordPress 2.0
947. WordPress 98 tested with WordPress 2.0
948. WordPress 99 tested with WordPress 2.0
949. WordPress Classic
950. WordPress Default
951. WordPress Index Builder
952. WoW4WP
953. wp-pad
954. WP2 Toni Theme NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
955. WPAndreas03 tested with WordPress 2.0
956. WPAndreas04
957. WPAndreas06
958. WPAndreas07 tested with WordPress 2.0
959. WPAndreas08
960. WPAndreas08 3 column
961. WPAndreas08 3 column B
962. WPAndreas09 REQUIRES WordPress 2.0+
963. WPGlass REQUIRES WordPress 2.0+ includes wordpress widgets support
964. WpInside
965. wpjeriko01 REQUIRES WordPress 2.0+ includes wordpress widgets support
966. WuCoco NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
967. Wuhan tested with WordPress 2.0
968. X Blog
969. XBLOG
970. XBLOG T1
971. Yadda
972. Yakuter Tema
973. Yaletown NEW REQUIRES WordPress 2.0+ includes wordpress widgets support
974. Yellehs
975. Yaaarr! Tis me blog!
976. Yellow tested with WordPress 2.0
977. ZaZen
978. Zen Minimalist
979. Zig-Zag
980. Zimpleza
981. Zine

Much thanks to some other lists of WordPress themes including Organic Shadows, BloggingPro (who has screenshots and commentary for some of these themes), Alex King’s theme contest, and the WordPress Codex

To see many of these themes in action, be sure to check out Shadow’s WordPress Reference Centre and WordPress Theme Viewer, as well as Alex King’s Theme Browser, and Jon’s wordpresstheme.com

To learn how to modify any of these themes check out "How to customize an existing WordPress 1.5 theme just the way you want"