changing opacity

AutoWallpaper is cross-platform desktop wallpaper changing utility.

It features JPEG/GIF support, random wallpaper selection, automated changing

Moves around your desktop changing speed and direction at random intervals.

Wallpaper Action is a program capable of changing your desktop wallpaper

Utility for quick changing palette of any GIF image.

Display around your desktop an America flag changing styles as it floats.

Will display alien head floating around your desktop changing color, speed

A cute Clock with changing colors

Allows quick and easy changing of the background and font colours

Breathtaking nature and life changing thoughts collected from "The Secret" film.