The tournament begins with a parade--this was right outside the office building where I'm working in downtown Wellington.
Many people dressup for the games. Often there'll be groups of four or more who have chosen a theme or all wear the same costume. Some just come solo:
Dressing-up as Indians from "Dances with Wolves" is very popular.
Most people don't pay much attention to the games--it's more about socializing, drinking, singing and seeing all the crazy costumes.
By the end of the day, most people didn't even care that New Zealand had lost.