Toon Boom Studio is the best 2D animation software to learn and create
animation with. Ideal for students and hobbyists looking for an easy-to-use
animation program, excellent for teachers and educational institutions,
Studio makes all animation techniques accessible to users, offering them
the most creative and rewarding experience.

* Create content in multiple ways: draw digitally, scan-in paper drawings, capture live images or import existing artwork
* Apply colours
* Set camera moves
* Animate using bones, pegs and animated elements
* Add audio tracks and lip-sync your animation
* Publish your animation projects for print, TV, HDTV, the Web, Facebook, YouTube and iPod/iPod touch/iPhone/iPad

http://www.toonboom.com/products/toon-boom-studio/