Buy some fabric you think will suit and a can of spray on adhesive form your local spotlight or equivalent craft store and do yourself up a custom job. Probly the best $18 i have spent on my car appearance wise. ($11 of that cost being the spray on adhesive) couldnt be happier with it.
My 2 cents.
Simple Simon met a Pieman, going to the fair. Said Simple Simon to the Pieman, What have you got there? Said the Pieman unto Simon, Pies, you dickhead