First of all, I think my dream girl would be a guy xD
So I am just gonna change all these pronouns
1. ...let him take a picture of you naked?
YES
2. ...get naked in a risky public place?
YES
3. ...act like a little boy and call him "momma"? (Note: The question is still the same even if I change it to papa xD)
YES
4. ...let him give you a spanking?
YES
5. ...suck him off until he has an orgasm?
YES
6. ...masturbate in front of him?
YES
7. ...let him pee on you?
NO
8. ...strip naked in front of his friends (guys and girls)?
YES
9. ...taste your own cum?
YES
10. ...obey a strict diet and exercise regiment for 3 months?
GOD NO
11. ...dress up like a school girl with a mini skirt, stuffed bra, panties, wig and makeup?
YES ^u^
12. ...go without sex or masturbating for 1 year?
YES >^<
13. ...let him tie you down first?
YES
14. ...shave off all of your pubes?
YES
15. ...dress up like a french maid and do chores for him?
YES
16. ...let him put clamps on your nipples?
YES
17. ...cum on your own face?
YES
18. ...let him fuck your ass with or without a strap on?
YES
19. ...strip naked on a live webcam?
YES
20. ...suck his gay friend's dick?
This is a tough one, but I am gonna have to go with YES 
21. ...let him(the gay friend) cum in your mouth?
YES
22. ...let 5 or 6 of his girl friends fuck you with strap-ons and dildos while you eat them out?
YES
23. ...have a threesome with him and his guy friend (you give and receive)?
OH YES
24. ...be his sex slave for 3 months (he gets to do whatever he wants, mix between conventional sex and femdom)?
YES
25. ...be his bitch for 1 week (no sex, but a lot of dress up, chores, humiliation, and oral for him and his friends (guys and girls))?
ABSOLUTELY
Note: I have no preference over gender, I was just trying to spice it up ^u^