In my opinion, you have to cover your basis since every guy likes something different.
If you only do pics like #8 and #11 (which, based on quickly counting in my head, seem to be the most popular), you will not attract the guys that like #1 and #10.
You also have keep in mind that some guys are ass men, some guys are boob men, etc.
With all that said, I like:
#1: I have at thing for sexy/classy brunettes (nothing against blondes, but if I had a choice…)
#6: Because I am an ass man and I like "doggy style" (as does Kelly TNT - I sure hope she gets the joke

)
#10: Nice!!!
netman