Erik Bork, Emmy-winning television writer and producer was on hand at the Great American Pitchfest last weekend. He taught a great class entitled Throwing Rocks at Your Main Character: How to Keep Your Story Moving Forward.
If the Reader Doesn’t Get It, the Problem is in the Writing
This is a great article by Gordy Hoffman about taking criticism on your script and making the most of it. It's a lot more productive than getting offended.