A Chicago-area Audi dealer has pulled off the rare hat trick of combining a manufacturer ad, a public-service announcement, and some serious ego gratification for an R8 GT customer by putting up this billboard.

The wall above Audi of Hong Kong is so gigantic it visually consumes their dealership. BMW clearly understood that, buying the space to use for a gigantic middle finger-like billboard over their German competitor. The billboard wars just went global.

When the BMW "Checkmate" billboard first went up, we asked the jalopnik commentariat to turn the Billboard Wars hot. Now Audi has responded to BMW's challenge. How did the boys and girls from Ingolstadt respond?

Earlier today, we asked you how Audi should respond to Juggernaut Advertising's BMW "Checkmate" billboard. We've photoshopped the 15 best responses for an überBrucegasmic automaker-slap-fight-of-a-mega-gallery below.