Here are a few things I have done that worked
-message oil from the sex store that heats up when you rub it on
-while driving in a car(sober person driving) turn the heater all the way up, get the car up to about 50 or 60mph, and when the car is extremely hot, roll all the windows and sunroof down.
-One of those huge rain-fall shower heads with the water on as cold as it gets
-Bass, big speakers, loud music...i have 4 12's in my car, with those all the way up with some kickass trance music is the best
-jump...find something to jump off, nothing too dangerous, or jump on a bed, the feeling while in the air is amazing
-GLOW STARS!!! get a bunch of those little stars and put them all around a room, go in the room when the starts are bright and lights are off, feels soo cool, i got lost in the room and it felt like i was in outer space.
-strobe light in the shower, seeing the water fall with the strobe light is really cool