I was thinking that in a high traffic, yet closed, area ie Grand Central a few people act out things like being accused of cheating by your girlfriend, arguing with a friend, drinking, etc. in a convincing manner to draw people's attention; then a group of agents dressed in something that matches come out and sing/dance about the problem Oompa Loompa style.
So, for example, as the couple begins to argue loudly, the Oompa Loompas emerge and start to sing. Then the couple stop and get in on the choreography. Finally their problems are solved and they walk off happily holding hands thanking the Oompa Loompas for their help. Then, suddenly, the next person starts with his/her problem a little farther away...repeat a few times. Then everyone walks off like nothing happened.
***for dramatic effect, perhaps someone dressed as a real Oompa Loompa could walk by nonchalantly carrying a suitcase***
I'm soo down on doing this, getting involved in anyway. Honestly this idea is genius to me. Please let me know if you decide to do this. I'm so there :]
I also live by the orange mall.
@David, you're right... some people would get mad. You are going to need people to video tape, im on that. I am more of a tech person anyway.