Photo Imaging and sharing websites

Photo Editing website

GIMP at: www.gimp.org

GIMP Downloads at: http://www.gimp.org/downloads/

GIMP Documentation at: http://www.gimp.org/docs/

Photo sharing websites

Flickr at: www.flickr.com
Photobucket at: www.photobucket.com

Google Web Albums at: http://picasaweb.google.com

Smugmug at: www.smugmug.com

Picasa Web albums at: http://picasaweb.google.com

Digital effects - Add peoples faces to photographs & animations
Photofunia: www.photofunia.com
Dumpr at: www.dumpr.net

Searching for images (by colour)

Idee Multicolr Search Labs at: http://labs.ideeinc.com/multicolr/
Idee Visual search at: http://labs.ideeinc.com/visual
Chromatik at: http://chromatik.labs.exalead.com/

Other Photo Editing Software

Picasa at: http://picasa.google.com
A video worth watching that explains the features of Picasa 3 can be found at: http://www.youtube.com/watch?v=rskC6c_5L1M