It’s funny—just yesterday I was thinking about looking for writing related material to post, since it’s an extremely important beginning step to animation, and just now my friend tagged me in a post on Facebook linking to…
Victor Navone is an animator at pixar and up on his blog he has some very amazing and thought-provoking tutorials and dicussions on animation.
Don’t be lazy - click the links! They’re a great read.
And make sure to go read his Other Tutorials - including body language, working with limited characters, and exaggeration among other things.