1. 20

I wrote a desktop wallpaper rotater that grabs a picture from the internet based on the lyrics of the current song you’re playing, so your desktop will match the mood of your music. Results vary, but always interesting. Download source code if you want to try it out, but bear in mind it’s rather hacky, and you need a Flickr API key and a Alchemy Language API key.

  1.  

  2. 3

    This is a really awesome idea. I have too many windows open always to actually use it, but I love it.