http://roxik.com/pictaps/
Basically you draw a flat character and it makes it dance in 3D space. (Sort of like the old Parappa games for the Playstation.)
I think it's a Flash frontend to a Shockwave rendering engine that saves the character information in an XML file.
I wasn't feeling too creative, but it's better than stick figures.
http://roxik.com/pictaps/?pid=a151150