this one is a classy photographer kind of thing--maybe fashion? anyway, the nudes don't come often but they're worth it when they do:
http://www.oliviermerzoug.com/wp-content/uploads/
this one is a collection of strip series (my favorite kind--it\s no fun if they're already nude as it's fun to watch them unwrap their presents
):
http://teens-undressed.com/wp-content/uploads/