You could try the 'Hercules shower' story:
A famous (at EGDL) MALM strips off & wearing a towel round his waist walks past all the Pongo pax to the toilet, pulls the curtain around & wets his hair using the emergency water flasks. Emerges a few mins later toweling off & returns to flightdeck to get dressed. Pongo Officer appears & 'as the Colonel is rather sweaty might he use the shower?' to which he is emphatically told 'it's for aircrew only'. MALM makes a big fuss about no one else using it whilst the Pongo also gets more heated. On arriving at destination the Colonel makes a formal complaint about the obtuse behaviour of the C130 crew in not allowing him to use the shower and it gets all the way to MOD before it's pointed out that the C130 doesn't have one!