Graphics Editing with GIMP

• Quick Start: Using Filters and Script-Fu
• Choosing Paintbrushes and Colors
• Using Layers

• Assignments
• Free Image Resources
  • FWS -- Wildlife and Outdoor Images
  • Library of Congress Historical Images
  • NOAA -- Ocean, Weather, Sattelite Images
  • NASA -- Space Images
  • NASA -- More Images
  • WebMuseum -- Great Works of Art

• GIMP Manual online : 47 chapter reference work on how to use GIMP.
• Grokking the GIMP online text : 11 chapter book that gives good introduction to the concepts of graphic editing, as well as how to apply these concepts in GIMP.
  
• GIMP for Windows : A Windows version of GIMP (which is actually a Linux / Unix program). The program is free.