They should set a years cap or years in a row cap. LeBron, for example, used to always make All-Star games a place to try and show off and stuff, now he just plays it slightly more loose than a normal game. Shaq was really the only guy who didn't just go through the motions as he got older.
They need guys who will respond to dumb call outs and stuff, like Kobe with Jordan, or Shaq when he was trying to do crossovers against everyone.
Doesn't need to be the Globetrotters or anything but the Gasol brothers could jack some threes or go at each other like they were guards or something out of the norm like that.
Or make the ASG like some silly wrestling plotline.