"This is the US Teachers' Guide for using the Professional Cartoonists Index web site in your classes. We have developed lesson plans for using the editorial cartoons as a teaching tool in Social Sciences, Art, Journalism and English at all levels."
Animation virtual studio.
"A virtual animation studio partnering with animators from around the world to create, high quality 3d, 2d and flash cartoon animations. Aniboom cultivates animated content by leveraging the web providing online animation opportunities such as animated competitions and free online animation software."
While the site can be "difficult" on occasion, it offers one of the best comics resources that I have yet to find. Additionally, it allows for users to create a comic book (this is unique compared to others I have experienced)