I have just started working on moving from the slot to impact position.These to link were a lot of help to me the first. at http://www.aroundhawaii.com/lifestyle/health_and_fitness/2012-05-survey-of-impact-positions-of-pga-tour-players-target-linefront-view-.html
Gives a great look at top pros at impact.
This video shows what the right wrist should be doing. Which is a problem I was having.