Today's featured desktop comes from Flickr user sorrylois and features what looks like a rainbow waterfall, or maybe panelling, and a very nice, very minimal theme.
Here's what you need to make your desktop just like this one:
The wallpaper is, unfortunately, lost in the ether. (If you know what it is, please share a link in the comments.) If you'd like some alternative rainbow wallpapers instead, check these out.