I'm actually trying to get the version made with a BMW engine. I am debating putting a white star on it, but only if I find authentic USA military stencil for it because some of the replicas just look too small:
+ 1 on the red star with gold somewhere. Do a search (might be worth a trip into a Barnes and Noble) for Cuban poster art and you might find some cool other ideas within the same design realm. There is alot of really good socialist graphic design out there if you can find it.