HAHAHA I can't believe no one has mentioned this one!
http://www.youtube.com/watch?v=0hd6FEykMwU
I am all for swaps, and I say go for it, I am not sure we need another one like this out there though. Anyway, seriously you could contact them for some pointers.
I mean watch it a couple times (if you can) to at least see what not to do!