6. Make friends with a photographer. There are thousands of nice cars at H20 every year, and even though there are hundreds of people carrying around DSLRs, that doesn't give you great odds of finding a picture of your car online. But if you make friend's with some of the photographers, you'll have a much greater chance of getting a pic taken. When I'm doing panning shots on the strip, I generally only take pictures of cars that stand out and cars that I know the owner's of.
I generally don't even bring my camera to the meets.