How does a webmaster do this nifty little trick? It is rather simple and is done by creating an icon file named "favicon.ico" and placing it in the root directory of the website. The icon file should be exactly 16x16 pixels and you should stick with a 16 color palette. I recomend creating a bitmap (.BMP) or GIF file with a graphics editor and then converting the file to the icon format (.ICO file) using the free program Irfanview. Name the converted file "favicon.ico" and place it on the server in the root diretory of the website.