Mini is running a cartoon campaign, featuring the work of Mad veteran Sergio Aragones (www.sergioaragones.com), that's as pint-sized as the car itself. Seen in mags like Anthem, Metropolis, Unleashed and XLR8R, the cartoons appear here and there in the margins of editorial pages, and the reveal, if it can be called that, is a final cartoon with a Mini logo. "That's it