Wallpaper Master Pro is a powerful, highly customizable wallpaper manager and cycler. You can create your own categories using images on your computer, and it will cycle through your images automatically in whatever order you specify: in a shuffle mode, listed order, or based on your personal ratings. The program also has auto-size options to make sure your images are displayed with optimal size. Additional features include directory monitoring, automatic background color, and watermarking. Now includes Dual-Monitor support.

If you're the kind of person who changes their wallpaper frequently, or you want to spice up your desktop then you'll love this program. It has a lot of features and it's completely free!

If you want even more control over your desktop try Wallpaper Master Pro (see below). The Pro version now adds support for Dual-Monitors! You can now change the wallpaper on either of your monitors on your multi-monitor system.

Wallpaper Master- Key Features:
Major features - Freeware version:
1. Store multiple wallpaper lists as different categories/libraries - up to 5000 images per category!
2. The ability to rate wallpaper, so better wallpapers are chosen more often.
3. Customizable Global Hotkeys - Quickly change/clear the wallpaper with any key combo.
4. Very high quality resizing of images to fit the screen optimally and keep their aspect ratio.
5. Auto change the wallpaper when windows starts, every x minutes, or use the ratings to choose an interval.
6. Change wallpaper in order, in shuffle mode, or randomly according to rating.
7. Analyse the wallpaper and automatically choose between Resize, Tile, Center or Stretch.
8. Uses very little resources.
9. Minimises to tray area for easy access.
10. Easy to use but powerful interface.
11. Desktop Wallpaper Master is a free download (freeware)!
12. And more!

PRO Improvements - Shareware version:
1. Support for many more image types (GIF, PNG, JPEG-2000 (JP2), TGA, WMF and PCX images).
2. Max wallpapers increased to 64000 per category! (Rather than 5000).
3. Now includes a fullscreen Slideshow mode and a Screensaver.
4. New MultiMonitor support! - Change wallpaper on your dual monitors.
5. Automatically change wallpaper at specific times of every day.
6. Skip a cycle if CPU load is too high (useful for when playing games).
7. Position portrait images to uncover icons.
8. Apply a simple effect to a certain percentage of wallpaper shown.
9. Ability to overlay the image's name onto the wallpaper (watermarking).
10. A huge performance boost and much improved user interface.
11. Many more options and more customizable!
12. Find more info here.

The license of this software is Free Trial Software, the price is $19.00, you can free download and get a free trial.