the first lesson taught to most animation students. learn about arcs, spacing, gravity, timing and squash/stretch.

an introduction to walks - the four main poses, and how to approach a walk cycle.

six basic mouth shapes provide a simple but effective technique that will allow you to create any dialog needed.

(video, 1hr). using shape and motion tweens in flash to create a smooth walk animation. there are 4 parts.

The classic animation tutorial by Preston Blair. This book has been used by animation students for decades - you can download both volumes for free here.