This is a bad idea. Period. Anything we do will be called cheating. It may be technically legal like Rachel says, but we should not do it at all. My two cents.
I'd like to encourage any out of staters who are thinking about coming to Iowa to consider coming down for a week or weekend and setting up a booth at one of the 95 Iowa county fairs that will be happening this summer. More info in this thread: http://www.ronpaulforums.com/showthread.php?292872-RP-Booths-at-Iowa-County-Fairs