Tom Yeaton says: "I saw your post earlier showcasing the brilliant Flying Spaghetti Monster car tag submitted by another reader and thought I may be able to help in refining his design. Here's a PDF with illustrator editing capabilities preserved. If your team is
interested in what I've put together, I'd be happy to release the art work to the public domain through BoingBoing."
Update: Here's another, from Scott Shanks.
Link
Update: Another set, from FINK.
Link to Adobe Illustrator file
Update: A stencil friendly version, from pATCH, who says: "I endorse nothing illegal, but graffiti is beautiful."
Link