I've been making my own sigs over the last few years. Recently people have been asking for requests, and I think I've made enough decent ones over the years to justify making a thread for it. So sit back and feast your eyes.
Feel free to use any of the following:
Credit goes to Jaredr24 for the following. He's the one who came up with the idea:
"Tim's Tribute to Field Goals" - zaz (actually it's just Muse):
Here's a blast from the past:
The following are in use: