Hi VanillaIce wecome to GreenGuy and Jim
I'm no expert but I think if you used the two girls that you have on gallery 1 in gallery 2 as well and in sequnce it might do better. The last girl you have in the second gallery just doesn't look like college material to me, she looks more like a Tijuana Whore with the all the tatoos and that's a different nich than hot sexy totaly fit college babes.
Other than that I think your site looks great. bit like I said I'm no expert