changing opacity

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

Screen Changer is a desktop utility for quickly changing display settings.

Allows changing over 250 system icons by applying themes to them.

Hypnotic stream of ever changing lotus flower patterns.

Ever changing morphing 3d orchid flower with shining colors.

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