A great way to improve your movie-editing skills in Final Cut Pro 4 (or any editing program, for that matter) is to carefully study all the professional editing work that you can find on television and in movies. Watch a bunch of features, commercials, and music videos carefully — in fact, a good tactic is to watch with your TV's volume turned off so that you can focus solely on how shots move from one to another. You'll see an infinite number of editing styles (fast and slow, super-stylized, and very subtle), and you can refine your own tastes from there. Finally, when you start to see the conscious design behind movie shots — that is, how the editor uses shots in a particular order to communicate information or set a mood — you'll start to see a payoff in your own work.