I might do up some little bits of card to stick up at school later on after its aired in Aus (because I'm considerate and shit). The toilets at our school have little bits of paper with a message on that get changed each year eg. "smile you're beautiful" and "flush for the ministry of magic" last year, so I might stick a few up in there.
This is supposed to be of that-one-kid who was totally not meant to be Banksy who helped Sherlock and John identify the paint in "The Blind Banker".