background music

Change the logon screen background in Microsoft Windows 7.

Walaoke is a karaoke player with live video or recorded video as background.

Automatically change your desktop background.

BgPlayer - The background audio player

This video player plays the videos in the desktop background behind all programs

Run in the background, and monitor the activity of Bluetooth devices.

Change the background periodically and everything automatically ...

Change the background image periodically with the search engine of Microsoft

It also allows you to specify the colors to use for the background.

Flying Stars applet allows you to create a background with moving stars.