This command line application can change your desktop width, height, color depth, and refresh rate temporarily or permanently (via command line switches). You can have ResChange run another application in a specific display resolution and return to the previous resolution when the application finishes. The command lines switches let you alter only certain dimensions and choose the best refresh rate (or a specific one).
Chaper
Chaper is a modern wallpaper manager for Windows 2000/XP. The program supports JPG and BMP file format and can switch wallpapers in specified time intervals, either in order or randomly.
Free Fantastic ASCII Art: Picture Paradise
If you are sick and tired of everything standart and routine - this was made especially for you. Lots of wonderful images of the world around you change each other on your screen. Be sure that you haven't seen such a masterpiece of modern art.
XDeskPhoto
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.
Folder Marker
This small utility lets you change folder icon (mark folders) by priority (high, normal, low), level of project completeness (done, half-done, planned) and type of information stored in them (work, important, temp and private files).
Auto Wallpaper Changer
Auto Wallpaper Changer can manage and automatic change all of your desktop. It provide full custom and automatic control for you to manage hundreds nice wallpapers. Support picture format: *.bmp (Windows Bitmap) , *.jpg *.jpeg (JPEG )