This is a basic introduction to making educational videos by recording the computer screen (often referred to as screencasting).
This will give you all the basics in less than 10 minutes.
Bamboo Tablet: http://www.wacom.com/en/Products/Bamboo/BambooTablets.aspx
Smooth Draw: http://www.smoothdraw.com/
Camstudio (Free): http://camstudio.org/
Gigaware headset($15): http://www.radioshack.com/product/index.jsp?productId=2850712&CAWELAID=107596931
Reference YouTube Video: http://www.youtube.com/watch?v=QZJAhfaZnUA
NOTE: After the video was made I found one other setting that needs to be changed. Under Options, video options.. set the compressor to “CamStudio Lossless Codec v1.5″
A another video will be posted shortly going over the use of the screen-o-matic screen recording software.