Wallpaper Cycler - NuonSoft WallpaperCycler is a powerfull utility to manage all your wallpapers and to automatically cycle between your wallpapers.
AwesomeWallpaper - AwesomeWallpaper plays videos, shows images and system information on your desktop wallpaper
WLPPR - Beautiful mobile wallpapers made from satellite imagery
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
BioniX Desktop Wallpaper Changer - Free desktop wallpaper picture changer/desktop wallpaper manager software.