DevHead - ZD's web developer web site, featuring lots of useful information. Articles, tutorials, downloads, forums, and more. An excellent resource. Cut n Paste Javascript - More than 176 free cut 'n' paste javascripts, plus book reviews, forums. Gamelan now is a complete java resource, with java tutorials, articles, and of course, a boatload of applets.
Color cube is linked from that page.
Here's a complete list of those ISO codes. MapThis - Handy freeware image mapping program.