Obviously faces are the most important, but it's pretty easy to ignore a face when you're looking at pictures on the internet...
Also, asses are indeed great. Nice boobs are a bonus, but I really couldn't give a **** less about them. A cute girl with no ass is just a shame.
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http://soundcloud.com/thundersheep/lunatic-asylum
http://soundcloud.com/thundersheep/summer-rain