Podcasting. You've heard about it and now you want to do it your self. Finally: you can have your own talk show or radio program of any sort and distribute it to the world. It's not very hard and this tutorial will show you exactly how to do it - the "...
how to create a screen cast tutorial for educators.
software: screenflow ($100), keynote (free), omnidazzle (free, but doesn't work beyond OS 10.6.8)
hardware: wacom tablet, macbook, external mic
screen flow software records your screen as well as your camera and mic - so you get a video screen of you talking to your viewers inside your presentation.