I made a wallpaper last night (1024x768) for my love of House MD. The song is "Are You Alright?" by Lucinda Williams. This song was played in one of the episodes (I can't remember which, I think somewhere in season three). If you know what episode, let me know.
If you want to use this, feel free, but comment and let me know and you can even take a screen shot so I can see.
If you want the wallpaper in a different color or a different lyric line, let me know and I will be glad to make one for you.
full version here