thanks all - i couldn't have done it without you.
i haven't been on this thread for a while, so congrats to everyone who i've missed!
..and yes, it is a cat's butt. i found it on this rather strange japanese video
(at least i think it's japanese.)
it's a old joke from over a year ago, starting here
. you'll have to read a few posts to get the whole story...older forum members will know that i'm a bit of a cat-aholic.