Yes, I had read that, with dodgy antiques I expect, and they are all guilty of telling mostly old chestnuts, which is inevitable I suppose BUT it's also the telling of them - that is getting the joke right in the first place, not killing it with detail and remembering/getting the punch line right.
Here's how NOT to tell the quite funny 3 legged chicken joke :- (watch Billy Dainty and Co. fall about laughing as Martine digs himself into a pit)
The twat is about to tell/not tell the joke at about 7:10.............