The following tutorials involve the mathematical program Geometer's Sketchpad, techniques for editing images using IrfanView, and the creation of animations.

• Geometer's SketchPad (ver. 4) tutorial (Word); pdf version
  
  
• Image Editing Tutorial using IrfanView v. 3.61
  
  
• Gif Animation Tutorial using Adobe ImageReady 2.0 (The old ImageReady 1.0 Tutorial)
  
  
• Animation/Object Movie Tutorial using HotMedia