Just when you thought... and this has to be one of the best of all time.
One of our branches closed for a week to be redecorated. Prior to this, in a let's-see-what-the-colours-will-look-like effort, they used a recently replastered bit of wall as a sort of palate. On re-opening one of the borrowers complained:
"Why did you spend all that money on the mural if you were only going to paint over it?"