Vitaly Friedman has a round-up of places you can get free mini pixel icons. Mini-icons are becoming more and more popular. You can use them every now and again - developing web-sites, weblogs or ...

You can change nearly any desktop icon on both Mac and PC. To change desktop icons on a Mac, open the "Get Info" menu and paste in the picture you want to use. On a PC you'll need to make a .ICO file, ...