put a stainless lic. plate re-enforcement cut to fit behind it or maybe a painted piece of steel that matches your bike color, maybe a piece of leather, or some purple fur, or what ever else you may fancy. ( Did I go too far with the fur good thing I didn't mention the dingle balls)

I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!