Posing

Okay, this one is tagged with "tutorials", but it's really more of an art resource.

And what a resource it is! Zillions of *rotatable* human figures for you to draw from, showing musculature and everything! Truly a fabulous site, and well worth bookmarking.

Pose Maniacs

(Oh, and if you didn't guess from the great name, it's Japanese. Go poke around, you'll find the fun.)