gPhotoShow is an easy to use make-your-own photo slide show or screen saver. It can display an unlimited number of jpeg, png, tiff, avi, mov,mpg with transition effects, captions, exif info and music. 
gPhotoShow is a perfect software for a Digital Photo Frame !

Wallpaper Slideshow is a great utility for displaying your favorite photos as your desktop wallpaper. Wallpaper Slideshow offers you complete control on your wallpapers collection and allows you to easily set your favorite images (JPG, GIF, PNG, TIFF, BMP) as desktop wallpaper. Supports multiple monitor systems allowing wallpapers to span across all monitors.

Control Screen Saver is an easy to use all-in-one screen saver utility that lets you easily control your screen savers with a simple click of the mouse. You can launch, choose, configure, randomize, enable and disable your screen savers from the system tray. You can also use a hotkey to activate and configure the current screen saver