PowerToys are additional programs that developers work on after a product has been released to manufacturing. They add fun and functionality to your amazing Windows experiences. Included in the PowerToys Fun Pack: The Windows XP Screen Saver PowerToy makes it easy to play any Windows Media Video or series of videos (such as home movies created with Windows Movie Maker 2) as your Windows XP screen saver. Windows XP Desktop Wallpaper Changer PowerToy Make your computer desktop more dynamic, interactive, useful, and fun. The Wallpaper Changer PowerToy allows your desktop wallpaper to change automatically. It also lets you choose which images to display. Select the folder of images to display as a slide show and set the display interval to change wallpaper every few minutes, hours, or days. The simple intuitive interface is easily available from the system tray.