best free wallpaper program

Wallpaper Master - Freeware! Keeping your desktop fresh everyday.
A free desktop wallpaper changer and manager. Features: Store multiple wallpaper lists, the ability to rate wallpaper so better ones are chosen more often,

There are two different version of Wallpaper Master. There is the Freeware version and the Pro version. The freeware version is completely free. The Pro version is 30-day trialware, and after the 30 days some of the more advanced features will be disabled unless you register it. You can continue to use it as shareware though! It contains many new features and improvements over the freeware version, many of which will stay active after your trial.

Code:

http://jamesgart.com/wallpaperchanger/pro.html

# Pro Improvements: Support for many more image types (GIF, PNG, JPEG-2000 (JP2), TGA, WMF and PCX images).
# Max wallpapers increased to 64000 per category! (Rather than 5000).
# Change wallpapers at specific times of day.
# Transparent icon backgrounds (for pre-WinXP computers).
# Align images to any orientation.
# Add a border to your wallpaper.
# Ability to put the images name on the wallpaper (watermarking).
# Stop wallpapers changing while using too many system resources.
# Now includes a fullscreen Slideshow mode!
# New Dual-Monitor support!
# A Huge performance boost.

Wallpaper & Tools > Matrix Background

Code:

http://www.topshareware.com/Matrix-Background-download-35755.htm