"EvJO Wallpaper Changer" is a wallpaper manager that can change your background images at every startup, once a day or at regular time intervals. It features JPEG, PNG, GIF and BMP support.
It's a tool which help you to create your favorite macromedia flash file to be your wallpaper, also it can help you pubilish it just by click a button.
With Video Wallpaper Master you can greatly enhance your desktop by playing any video as background wallpaper. It's similar to the Dreamscene feature of Windows Vista Ultimate. You can have the Dreamscene effect for any version of Windows.
Adolix Wallpaper Changer is a free wallpaper changer and randomizer that will allow you to change background on your desktop. You can make a play list with your favorite pictures and play it all day long.