First of all sorry for my bad english
I used the search enginge but there werent any topics that matched mine.
I try to contribute a little funny exploit and i hope you'll like it.
So I flew around in Dalaran as a mosquito, because of the Underbelly Elixir that you can find in the canalization of Dalaran.
Then I found out that I can fly around in the Bank as well. So I tried to get on a kind of edge.
But then I noticed that I can break through the texture above the bankers chamber right there to get inside of it.
http://img525.imageshack.us/img525/9748/spotc.jpg
http://img522.imageshack.us/img522/4985/chamber.jpg
You can also enter the chamber full of Gold if you fly even further through the texture.
http://img251.imageshack.us/img251/509/gold.jpg
So here comes the funny part. My friends and I all drunk the elixir and we blocked whole dalaran. The north / south bank as well as the Goblin in the canalization.
After ~30 minutes Dalaran was quite empty ^^
http://img28.imageshack.us/img28/3960/nerf.jpg
If you are afraid of getting banned or something (we were'nt) you can use the faction banners u get from the argent tournament.
I know its a little evil exploit but its a hella fun if u're the one who does it ^^