This is my first post so please don't give me a hard time !

Jakeclk,
Your swing reminds me very much of mine I took a while back, as I suffered from the shanks and OTT.

At the start of the DTL video, put your mouse pointer at the peak of your cap and notice how much your head has moved towards your toes when you reach the top of your backswing.
Your head (and body) moves at least 2".
This is caused by a poor shoulder turn and over-swinging.
This means on your downswing you have to re-route the club backs in towards your body to strike the ball in the middle of the clubface.
If you don't get it right - you hit the shank (if you do you hit a pull).
Standing further from the ball will make this worse - I know i've been there.
Jambalaya's advice on using the shoulders to drive the backswing is really good and helps with the reverse pivot.

There it is, i've done it - my first post - now let me have it!