A firm believer and contributor to the "Open Source", free education community, I research all sorts of ideas, and consult with the authors, offering input when appropriate.
The following link will open a page, presenting material for the "HippoCampus" project, out of Monterey Institute. They have written my Algebra book in a multimedia format. Chances are, they have yours done as well.
Click Here to view lesson.
I collaborate and share tools with folks from all over. Here's an example of what the creator calls a "Graph Story". I've used many of these in my own classroom and the students seem to enjoy graphing them.
Licensed under the Creative Commons Attribution-ShareAlike 2.5 License
Email: rfantster@gmail.com
Skype: rfantster