I have seen the flair boxes which look kinda funky, but what if I want just a little badge to go along with other ones like you see on the left of http://podcast.ubuntu-uk.org/ ?
Just a smaller alternative similar to the follow us & Subscribe badges
You can get the SVG original from my deviantart page
There aren't any official ones.
In case they're any use, I made these for you:
You probably want to change it, so here's the SVG Version of it.