I'm the newspaper the bum is sleeping under. Etc., until the whole group is part of the picture. Start again, and again, etc. Coach this to go very, very fast. Variations could involve having the scenario become a moving picture, then a moving and talking picture.
Group gets in a line at the edge of the playing space.
He may NOT stop his pantomime until he anwers the question. The moment the second person hears the answer, she must begin immediately to pantomime the mentioned activity. The second person must begin to act as soon as she hears even PART of the answer. You can play this as a tournament if you want. A new challenger steps in, and so on, until all but one person have been eliminated.