Because everybody is doing it...
Very well then. Here's mine:
XFCE on a 2560×1024 dual screen setup with this background image: The Beams.
But of course that's not how I ever see it. Usually my desktop looks more like this:
Notice the clever layout of background windows for XChat and Jabber? It makes sure there will be no 5 minutes of continuous work because I will be distracted by every update
Okay, you're next. You know you want it. Share your desktop.