One cool app I recently found for my Android phone: WebLiveWallpaper which lets you set any webcam as the background live wallpaper.
Scenery always makes a nice live wallpaper, and my university (Mizzou) has quite a few to choose from.
Here is a list (as of March 2012) of known webcams at the University of Missouri (Mizzou).
Overlook of Student Center
[Static Image] [Video]
Inside Student Center
[Static Image] [Video]
MU Bookstore
[Static Image] [Video]
Stankowski Field
[Static Image] [Video]
Overlook of J-School
[Static Image] [Video]
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