John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
FCorp My Desktop - "ALL-IN-ONE" Desktop Related Tools.
CommandLine Wallpaper Changer - Change Wallpaper From little Command Line Application
Wallperizer - Wallperizer is a desktop wallpaper changer.
Artpip - Artistic wallpaper for your desktop, refreshed daily.
Adolix Wallpaper Changer - Adolix Wallpaper Changer- free wallpaper changer software.