National Geographic for Muzei - National Geographic pictures for Muzei
Becrux Wally - Wally is a Qt4 wallpaper changer, using multiple sources like files, folders, FTP remote folders, Flickr, Panoramio, Ipernity, Photobucket, Buzznet, Picasa, Smugmug, Google, Vladstudio and deviantART images. Now it's available in many languages!!
ArtPlus ePix wallpaper calendar - ArtPlus ePix wallpaper calendar is FREE software!
Wallpaper Cycler - NuonSoft WallpaperCycler is a powerfull utility to manage all your wallpapers and to automatically cycle between your wallpapers.
Wikimedia Commons for Muzei - Muzei plugin that displays the Wikimedia Commons picture of the day
Interactive Calendar - Free multifunctional desktop calendar and convenient day planner