are you meaning a group of people? Do a skit where someone says/does all the wrong things.
Create a few short scenarios - divide group into smaller teams and give them a few minutes to explain how things OUGHT to be done in that scenario
We made a short video with home camera and walked around the hospital with a "patient" in the wheelchair, telling all sorts of tales, looking at charts, using someones password in computer---Then we make DVD available to all the units for staff meeting. Lasted < 15 min and was kinda fun