National Geographic for Muzei - National Geographic pictures for Muzei
ArtPlus ePix wallpaper calendar - ArtPlus ePix wallpaper calendar is FREE software!
Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.
Wikimedia Commons for Muzei - Muzei plugin that displays the Wikimedia Commons picture of the day
AutoWallpaper - Using AutoWallpaper:
Muzei Ghibli - Show pictures from Studio Ghibli (Muzei)