background swap app?

[YA123]

Is there any app that swaps the background wallpaper automatically, like a macintosh does

 

[mightybrick]

Is there any app that swaps the background wallpaper automatically, like a macintosh does

Yes, check out WallSwitch in the Android Market. It's one of the first things I installed on my Droid.

 

[PridgNYC]

Backgrounds also does this...