Who do YOU think is pretty?
Surely you know what you like?
Each to their own and all that.
The guy's just asking if any fellow punters have seen any hot gals and link to them. He would then judge them on his own personal tastes.
Surely it's pretty obvious?
And whilst beauty in the eye of the beholder etc, and prettiness is pretty subjective, I tend to disagree. I think most western cultured men have pretty clear line what is considered pretty and what isn't. It is those that border this line, or fall below are when a persons looks become much more subjective to the viewer.