Continuity mistake: When Terry MacNamee is talking to Father Ted on the phone on the island, his tie is blown over his shoulder. After a cut to Father Ted, his tie is hanging straight. After another cut, it is back over his shoulder again.
Continuity mistake: Immediately before Ted and Dougal enter the fortune teller's tent, there is a scene which appears to have been shot much later in the day than those on either side - it's almost night time.
Continuity mistake: As Father Crilly is shouting at Father Jack "No, not your room, not your room." to get up out of the spare bed, watch closely and as Father Ted strikes him in the face, notice that his hand doesn't even touch his face, and his hand stops several inches away from his face, using only his reaction and the sound of a punch to illustrate a punch at all. (00:18:15)
Chosen answer: It's characteristic of someone putting on a fake Irish accent.