OK. SIMON HAS PROVIDED A CLUE FOR HIS RIDDLE SINCE SO FAR NO ONE HAS GOTTEN THE ANSWER. HE HAS ALSO TOLD ME THE ANSWER TO THE RIDDLE, AND I HAVE TO ADMIT THAT IF HE DIDN'T TELL ME, THIS CLUE WOULDN'T MAKE ANY SENSE TO ME. BUT SINCE I AM SURE YOU ARE ALL A LOT SMARTER THAN I AM , HERE WE GO:

Clue: Snakes, snails, trees. If it's too much to get you're head round try sweeping out your brainpan chinese style - with a messed up wok broom.