I very much enjoyed this post (scroll down till you see the headline, "Female Nudes Should Be Prettier") on Echidne of the Snakes. Yes, this really exists, or it did as of 2003: a league of "gentlemen" is advocating the production and inclusion of more "pretty" female nudes to counter all the "ugly" ones in modern & contemporary art.
I've sometimes heard-- from female artists, no less!-- that female nudes are more rewarding to draw because women are "made of shapes." Yeeeaaahhh.... Or that "no one" wants to look at nude men (I guess women and gay/bi men are "no one?") I would point out to these people that if women throughout history were not enjoying nude men and making active use of their shapes, there would be no babies.