If you've ever wanted to know how the animators at Pixar do it, then you need to check out the Pixar in a Box classes from Khan Academy.
Ryan's Animation Adventure: Animation Class 3 RECAP
7 Tips for Creating Stop Motion Animation with Kids
Cat by vincenzo lodigiani
How to Make Simple Animations - with free printable storyboard and paper shapes to use in your animation.
The Kelliher School ArtSmarts Project (2011): More Research: Flip Book Animation
Create Animations on the iPad with DoInk Animation & Drawing App and Wacom Bamboo Stylus
Gossipi's Animation Class: Day 6- Characterizing The Bouncing Ball
Stop Motion Animations - MonkeyJam
Stopmotion guidelines with an iPad in the Art room