As soon as xfire started to support 4 different mini profiles I began to think "Hey, where's a racing theme?".
I designed such a theme, but the Xfire guys did not want ANY 3rd party design, because they are afraid of being bombed with a heavy amount of custom designs if only one "comes trough" to get official, I guess.
Here's an image:
(the top image is my design, the bottom one the original Xfire skin)