According to the online vote thing, the chick in the back middle has nearly a thousand votes and the Madonna wannabe has under 900. Then the major butterface in the pink has 300 votes and then the girl in the top right corner has a couple hundred. Everyone else is around a hundred votes or less.
http://mysa.upickem.net/engine/Votes.aspx?PageType=VOTING&incrementnumber=1
It's because she's the youngest of the group, she's only 18 and still has that "baby face" look. After looking at all of them, I agree, I think she's the hottest. Although some of the others aren't too bad looking.
Also, your link doesn't work. This one does
http://mysa.upickem.net/engine/Details.aspx?PageType=APPROVED&contestid=166641 - horse teeth, nice body though
2 - reminds me of an ugly Mila Kunis
3 - in that shot she's cute but her full body shot on the other page makes her look like Latin Sarah Palin ewww
4 - meh face, nice body
5 - KILL IT WITH FIRE!!! KILL IT NOW!!!
6 - Miss Black Hair Red Lipstick. Not bad looking, although a bit big boned, she makes me think of a German dominatrix.
7 - Ew. Looks like a latino Queen Latifa or something, seriously.
8 - Has a nice body, not bad looking, nose is big though, and reminds me of faye.
9 - Um no.
10 - the cute 18 year old.
I'd pick either 10, 6, or 8