Aye Kris...I thought the same thing...I think Bean's answer is brilliant, and better than the supposed 'real' answer! <img src="/ubbthreads/images/graemlins/up.gif" alt="" />
Which I shall publish here on request, unless people still want to try and guess or ask questions.
You could allways post it as a spoiler... Anyone got any good questions (cos I still whant to try...)