if you will going to have a webcam, i recommend this to you for screen capture program...
just check it out:
Webcam Video Capture
Capture webcams, streaming video, full screen, part of the screen and even video with sound. Seeing is believing! Use Webcam Video Capture to make people witness what you want to convey through an audio-visual medium. There are times when sharing exactly what you see on your screen is the quickest and clearest way to communicate.
* Capture and Share Anything : Webcam(s), any window, part of the screen or full screen to AVI or WMV video formats.
* Instruct Others With Quick "How-To" Illustrations : Demonstrate a product, create a presentation with your own audio narration, make a voiceover tutorial, or walk through a website review
You can download WVC latest version
here.
Download Resources
sample recorded video