You may be familiar with Plasti-dip; a rubberized coating more commonly used to insulate and improve grip on hand tools. They make it it spray-on formulation now, and have added a number of colors. It's fairly forgiving to apply, and if you decide you don't like it, it gets scratched up, or you want to turn in the lease, the coating can be peeled off when the time comes.
I used a White base coat, "Camo green" for color and then white as a highlight. Finished with a couple of coats of clear, which they call "glossifier".
I got the stuff from http://www.dipyourcar.com
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You can also see the white "tire paint" I tried last summer has aged considerably. Ah well.
One nice thing about the Plasti-dip is there's very little prep necessary and you can do it right on the car. Other than cleaning the rims you just need something to shield the brake caliper and rotor. Overspray on the tire peels right off almost magically.
A bit more interesting look for the stock wheels, imo.
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