And there's nothing better than humor for that purpose. One of my favorite teachers in school was a history teacher because he was funny, always doing things that engaged the entire class. I can't remember what the purpose of this was or what it related to (eighth grade was a long time ago) but he and I set up scene before class one day. I had a glass of water on my desk and after the bell had rung and everyone was seated he walked up to my desk and started lecturing me about a paper, and I stood up and shouted "You don't know what you're talking about you big jerk" and threw the cup of water in his face! To say the class was shocked is an understatement, LOL. We let everyone sit in silence for about five seconds before we both cracked up laughing and he launched into...whatever it was. I'm sad to say that I can't remember the subject matter anymore, but I do know that I did remember it for a long time after.
Oh, I also meant to say that the combo of you and @giantbear is a great one, I'll definitely check out your chat channel :)