BioniX Desktop Wallpaper Changer - Free desktop wallpaper picture changer/desktop wallpaper manager software.
FCorp My Desktop - "ALL-IN-ONE" Desktop Related Tools.
John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
Bing Wallpapers - The Bing Wallpaper app delivers the Bing image of the day—arguably the single best feature of Microsoft’s web search engine—to your desktop.
CommandLine Wallpaper Changer - Change Wallpaper From little Command Line Application
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.