Bgcall

Bgcall is a simple program that takes care of automatically changing wallpapers on your desktop. O versus competing programs, it includes extensive settings and also a calendar that appears on the desktop. The application offers 8 different wallpaper lists from which wallpapers can be removed as well as added. The wallpaper can also be changed by clicking on the program button. As for the calendar, it can be customized in color, size or transparency.