WallMaster inherits the basic key features of its commercial brother. You can program the desktop wallpaper to change at a predetermined time interval (e.g. every 30 minutes) and customize the wallpaper position (tile, center, fit to screen, auto fit, or custom) easily. It also lets you to use JPG, GIF, PNG, PCX, TGA, PCD and ICO images as desktop wallpaper. It also supports Active Desktop from Internet Explorer 4. Its cool and unique features really make it one of the best wallpaper utilities ever made                     Wallpaper Pro, the #1 wallpaper utility, lets you take control of your desktop, allowing you to set any picture (BMP, JPG, etc.) as your desktop wallpaper (background image) - instantly! You can use pictures of your family or friends, or just your favorite pictures you find on the Internet -- you can use any pictures on your computer. Just select the pictures you want to use as your wallpaper. Then let the interval timer change your wallpaper automatically for you, or just click the Wallpaper Pro icon down in your system tray anytime you want the wallpaper to change -- just one click