I know, this isn't KDE specific but I did create it with the GIMP2.0 on my KDE3.4 system and just wanted to see how ya'll liked it. It makes a nice wallpaper.
(Okay, I made it KDE specific... :) )
(Okay, sorry, but that was just too plain...) I reverted and added some texture.
BTW: KPHX streams @ http://www.aaphx.com