Random prize support drawings, instead of competition based. That way everyone has a chance even the worst player there.
D-bag lists (we all know what they are)should be ejected from the tournament. PERIOD! Because some people have proven that they will bring D-bag lists no matter what. Send them home once and they won't return with the same list. It's no fun getting beat senseless by an over the top list and hobby games should be FUN.