Progman I think you may have your nicknames a little mixed up. POSBy was/is an acronym for Post Office Savings Book, of the type recruits were talked into opening and paying part of their wages into. This left them with less money for beer chits so they are/were therefore considered a little tight. Married perrsonnel are SCALIES, which I believe comes from the fact they were in Pay Scale "E" some years ago.
By the way, the most picturesque RAF Camp was 11MU Chilmark - but you had to travel around all of the sites to get the full picture. The best view I ever had was from my office in Fuels at ASI, directly down to the beach and out over the Atlantic.