Reddit Wallpaper Changer
Offers an endless variety of wallappers, constantly changing on your screen.
Reddit Wallpaper Changer is a lightweight Windows application that takes your parameters and uses them to find you fresh desktop wallpapers at chosen intervals from any Reddit sub(s) you specify.
The application has a Settings tab where you can select the type of wallpapers you wish to see, a Monitor tab which detects your screen resolution, a History tab, a Favorites tab, Blacklist tab and the About tab.