Picasa:  Googles's free image editing and organization program.  Here are a few tutorials

• Geeks on Tour: http://www.geeksontour.com/picasa.cfm

• LearningElectric: http://www.learningelectric.com/picasa2/

• http://www.techtheman.blogspot.com/2007/07/picasa-tutorials.html

GIMP:  the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring.

last update 02/22/08