What does it take for preaching to "stick"?

Peter at Stronger Church is seeking input, particulary from preachers, on how to "extend the benefits of our preaching and teaching beyond just Sunday." Peter observes that in our media-saturated culture, we tend not to remember the specifics of what we hear--including the church's preaching and teaching. I've commented fairly extensively at Stronger Church on my experiences in trying to help preaching and teaching "stick" with the congregation. Peter's post and my comments are here. It's an important subject. Will you join the discussion?

Update: John Schroeder and Dr. Adrian Warnock have added their thoughts to the discussion.