Ning community set up by the authors of Reinventing Project-Based Learning, used for a course. The group is currently dormant, but the archived discussions still have some interest and will likely provide some inspiration for the project-based learning with multimedia course I'm revising.
Multimedia Serves Youths' Desire to Express Themselves | Edutopia
High school students in California find their voice through multimedia and learn to make a difference through what they create and share
"Media is the language of kids," Torres adds, saying that students who may not take to learning by reading a textbook or listening to a lecture often jump at the chance to understand complex concepts by presenting finished products in the form of a film or a Web documentary or a Microsoft PowerPoint presentation.