This is a great site tha enables you to create 3D animated cartoons. It's like a cross between Dvolver and Xtranormal.Fantastic. Select different motions for the characters chose backgrounds and add their dialogue.
A quick guide to help teachers get started with Web 2.0. Stick figures included! I love the focus on moving beyond the 'Yeah but's. Great design as well.
"The Easier Way To Get Plans Done. Stop wasting time with lesson plan templates. Your plans are available anywhere and are simple to make. Attach files, check spelling, print, export to Word or PDF, share with colleagues."
A very thorough list of collaboration tools. Note that there are no descriptions, other than the categories each tool is listed in, but most have links to their respective websites. A great place to start if you need to look for collaborative tools!