Scary pointed Kula boobs. I remember seeing the cheat sheet to this before, but I can't remember where.

1 - Sakura
3 - Q-bee
4 - Leona?
5 - Kasumi?
6 - Millia
8 - Elena
10 - Cammy
11 - Angel
13 - Chizuru
15 - Yuri
16 - Vice
19 - Vanessa
20 - Morrigan
21 - Mai
22 - King
23 - Dizzy?
24 - Chun-li
26 - Athena
32 - Jill
35 - Jam
36 - Mature
38 - Vice
39 - Baiken
40 - Mary
55 - Felicia
58 - Kula

18 - tiffany
30 - hinata

33-Ivy
42-Shiki
45-Mika
47-Christie Monteiro
52-Chizuru kagura
53-Lilith
56-Sophitia
57-I-no (Star Gladiator)
61-Taki

7 Hsien-Ko
12 Rose
37 Ingrid?
50 Kasumi from KOF?
60 Sheena from MK

This is what I got:

3. Q-Bee (Darkstalkers)
4. Leona (KOF)
5. Kasumi (DOA)
6. Millia (GG)
7. Hsien-Ko (Darkstalkers)
8. Elena (SF)
10. Cammy (SF)
12. Rose (SF)
13. Chizuru (KOF)
15. Yuri (KOF)
16. Vice (KOF)
18. Tiffany (RS)
19. Vanessa (KOF)
20. Morrigan (Darkstalkers)
21. Mai (KOF)
22. King (KOF)
23. Dizzy (GG)
24. Chun-Li (SF)
26. Athena (KOF)
28. Juli (SF)
31. Ibuki (SF)
32. Jill (MVC2)
35. Jam (GG)
36. Mature (KOF)
39. Baiken (GG)
40. Blue Mary (KOF)
42. Shiki (SS)
45. R. Mika (SF)
46. Pullum (SFEX)
47. Christie Monteiro (Tekken)
48. Area (SFEX)
50. could be either Kasumi Todo (KOF) or Hokuto (SFEX)
51. Moe (KOF)
53. Lilith (Darkstalkers)
54. Ling Xiayou (Tekken)
55. Felicia (Darkstalkers)
56. Sophitia (Soul series)
57. June (SG)
58. Kula (KOF)
60. Sheeva (MK)
61. Taki (soul series)

Added tags for Hsien-ko (#7), Angel (#11), Morrigan (#20), and Athena (#26). wickedchild's list seems pretty comprehensive buuut those are the only ones I can definitely confirm.

I agree with sanniy that #33 looks like Ivy to me, too.

Added a few more to the picture.

44. May (Guilty Gear)

57 is Jun from Star Gladiators

All these years and nobody ever found out who #14 was?