 During "The Thin Ice", Pink (Geldof, Bob (qv)) can be seen  floating in a swimming pool. Geldof (who is infamous for his dislike  of baths) couldnt swim, and instead was supported by a plastic body  mould in similar manner to that used for the flying sequences in  _Superman (1978)_ (qv) (some reports claim that its the one used in  _Supergirl (1984)_ (qv)