post a picture of your desktop.
a quick howto (for those who don't know already)
On linux:
xwd -root -out yourscreen.xwd (then convert it in GIMP)
On windows:
press the "printscreen key"
then, go to paint, or whatever you like, and paste there
(oh, and to host it, just use imageshack or whatever)
So, here is my Debian box:

And, my WinXP box:





















