TVPaint, I enjoy thee quite a bit. Does this .mov work? I hope so. Who knows. Only the shadow knows...
And this guy. He might know too.
(Originally he was a gif. But his constant walking made him... and my eyes... tired.)
Did those during the animation class I took last spring with Eric Eiser and Martin Abrahams. Practice! Here are also some rough planning sketches for the ballerina, and a shot of what it looks like with the lighbox turned on in TVPaint: