XDeskPhoto Description:

XDeskPhoto allow user put photos or pictures on the desktop. It is a very lightweight application that doesn't use much system resources or take much space on your desktop.
It's Rich in Features!
Auto change pictures in specify folder with customizable interval
Supports multi-photos and skins
Supports auto set picture as Wallpaper
Very lightweight application that Only use about 500KB system resources
Supports Windows transparency
Can stick photos to the desktop (i.e. doesn't hide with Show Desktop)
Hotkeys for quick access and Show Case
Easy skinning with an UI
and more...