Calendarium combines wallpaper changer with a see-through desktop/wall calendar. It gives you a daily updated calendar showing the current month, week, and day plus all the reminders you set for this month... superimposed over one of you favorite wallpapers which can also be randomly chosen. Running in your system tray, its quite invisible behaviour makes your Windows desktop live! features: - Have a new wallpaper image every day or whatever period you want. - Have a daily-updated Wallpaper Calendar printed over the wallpaper. - Customize calendar's size, style, font and colors - Switch either wallpaper or calendar on or off. You can use Calendarium as Just Wallpaper changer. - Set up any number of pop-up reminders for any day - and have them remind you whatever you ask them to. - Calendarium will automatically check your mail box for new messages and notify you when mail is waiting. 100% customizable! - ...and more!