Ohhhh now begins the theories!!!
I love it when it gets confuddling. :D
Having missed the famous Geoff sausage pic, I cannot confirm or deny your theory PB so we’ll have to wait until one or both of them reply.
Or maybe it was a plastic willy with a really terrible paint job? Maybe it wasnt really Sianny but one of these superimposed pics of her and Sian is still quite happily living in the convent?