I took alot of inspiration from this thread and just today bought a "turbo rim diamond blade" 4 1/2" saw blade at Lowes and an air cleaner cover screw. I absolutely positively LOVE the way it looks. I also bought flat black paint, but I like it better raw.
Thanks guys! I copied off of someone on here that had a saw blade on their air cleaner, but I like how the one I bought doesn't look like a saw blade. It looks like a custom made deal.
And that's funny about the throwing star! I have a big "NINJA" sticker on the back of my helmet. LOL