Personally I'd get either a notarized letter, or better yet a letter through a lawyer stating the facts. And that you may press charges under the copyright law
Originally Posted by Damn Brit
If you want to go guerrilla on them, photocopy that shot (make sure copyright is clearly on it) and when no one is watching, glue it to that blow up they have.
That sounds like the easiest idea Gary, or better yet why not just sign it.
If they complain or try suing you over it you'll have proof that it was originally your work
