WallChanger is a desktop wallpaper management Dienstprogramm that automatically changes your wallpaper. It can draw a highly customizable calendar, custom text, or another image over the wallpaper. WallChanger has the ability to perfectly stretch any image, including jpeg, bitmap or gifs. You can arrange your images into theme collections, instantly turning on or off a theme with a simple right click. WallChanger can create transparent desktop icons. It also has an inlcuded Windows shell extension, allowing you to right click on any image in your Windows Explorer and instantly set it as your wallpaper.