One that i like to use, only use with one of my really paranoid mates though is movies.
Hey have you seen that new movie the russian one i read about it in the paper. Lets get a group of us together and go see it maybe 10 of us. Catch the 9pm session. - 10 red russians meet you at 9pm
Its handy as you can ask what you think about a pill was the intro good did the movie go long was it worth watching etc etc
It always humourous trying to relate a pill to a movie thats been released - 2 fast 2 furious (has a yellow/green mitsubishi in it), flipper (dolphin), Euro Trip (euro's), The Butterfly Effect (butterfly)