I'm 5'10 and I wear a 11.5 size shoe. Depending on my tires I usually use feint motion, combined with a sidestep (clutch kick) as the weight transfers to initiate the drift. It's a predictable way to induce the slide although it keeps you from going into the corner entrance sideways. At the last event I started experimenting with shift locking combined with feint to initiate the drift which is a little harder (to do, and on the car) but worked really well.

http://www.drivenminds.net/downloads...ed_Slide_3.mov
That's the video of did for the last event Southern Friend Slide 3 and it's got two camera views (on-car, and out) of one of the shift lock runs in my AE86.

A lot of the more advanced drifters tell you to use good (sticky) tires all the way around, no matter what kind of car you drive... but I find in my AE86 that drifting on a sticky tire out back causes me to loose a lot of speed the second the car goes sideways.
At the last event I used the oldest, lowest grip tires I could find and just went as fast as I could before the first corner. This allowed me to build up enough speed to carry the car through the course with a semi-decent angle.

oh and you use heel and toeing to rev match for a down shift, not to really initiate a drift.