Ive made a brain hemorrhage shot, what other cool drinks can i make?

its my friends 18th tomorrow hes the youngest of us all so were going to have a party then hit the clubs, im going to be making the shots and so far ive made brain hemorrhage shot's... while i was on holiday i seen shots that were different colours in one glass with different weight of drinks that formed the colours perfect... anybody know any good websites where i can see the drinks and how to make it?