Each website has a different set of wallpapers. I first tried the Earth Science website and in a few seconds, my wallpaper was this – With Bing I got this lovely snow camped picture as my wallpaper.

Every week, we open a window onto an incredible place and highlight the fantastic history and science behind it. Explore more amazing places on Earth 15 places on Earth that look like alien planets ...

We've already shown you how to set a rotating Earth image as your Linux wallpaper, and many of you came up with good Windows solutions. But if you're not the scripting type, here's a program that ...