The games are still going over at the new Dark Knight viral site WhySoSerious. This morning The Joker sent Batman fans on a scavenger hunt around various US cities to uncover clues (more info here). Long before noon cagey fans had already uncovered the site’s secret message. It said “The only sensible way to live in this world is without rules.”

For their trouble, scavenger hunters were rewarded with the picture to your right, a new shot of Heath Ledger as The Joker in The Dark Knight. Kind of a paltry prize for running all over downtown Minneapolis, but there it is.

But the Joker’s not done playing. Now WhySoSerious.com leads to another site called RorysDeathKiss, where Batman’s arch nemesis has a new task for his fans. He’s hosting a costume contest.

The Joker wants you to dress up like him and send him pictures of yourself in Joker attire near a famous landmark in your city. What he doesn’t say in his message is where to send the pictures. I’m sure it’s buried as some sort of clue on the site or something. Personally I have better things to do, especially if the only reward is some sort of Joker vanity photo. I hate viral marketing, but for those of you with time to waste on vapor like this, good luck. Here’s the Joker’s instructions from the RorysDeathKiss site: