This is another modified version of UbuntuV.Graff, originally made by meisok. I've done a neon edge detect, which makes it look a little like a neon bar sign.

All credit goes to meisok for the original image. Thanks for the cool image!
The original can be found here:
http://www.ubuntu-art.org/content/show.php/UbuntuV.Graff.V2?content=62538

This is a 1600x1200 jpeg image.