How do you set windows Xp to change the wallpaper every day?

I wanna set my pc to change wallpaper everyday. How do i do that?How do you set windows Xp to change the wallpaper every day?change automatically? I don't think that's possible...How do you set windows Xp to change the wallpaper every day?Lol Laziness at its peak :P do it urself mate.. havent heard of such thing :)