JR - this is a very good idea and important task. But you must not manage it. Keep your eye on the ball. Give the ~400MSC to some dedicated guy here with some intelligence and forget it. Let him administer the promotion the best he can. Maxmint has won the faith of many - I don't know whether he could operate to serve this task also. But in any case, you can't do it. You need to give your energy to the next contest.
I also think you could leverage these ~400 to make a second contest. Again, someone else could administer it. But, when many people are competing for these funds, we'll produce a much bigger overall effect. Forget tweets - well directed press releases are the way to go. When those land on the right journalists, we will get plenty of the attention we could use.
I agree about maxmint. I'd like to give him first shot at running this. Having lots of people run it might be . . . chaotic

Max does not deserve the punishment of running a giveaway.
True enough. But he didn't deserve the punishment of running a manual exchange either and he did a hell of a good job with that. This guy: buymastercoin.com had big ambition to make a market and produced nothing. Max now has a track record.
btw, have you noticed that when max is active, the order book and message flow and completed transactions naturally take off and go crazy - and the minute max leaves, the market dies until tomorrow? The market is really fun and dynamic, so long as Max is hooking everyone up with transaction help. Once that guy goes to sleep - nothing gets done.