Maybe go see a movie. Just make sure you remember it as a reward. Think about each aspect of what took place. Etc., etc., etc. Tell someone about it.
Positive reinforcement can really make the difference.
Give yourself a little time to enjoy the victory. Continue repeating steps 7-23 until you are really confident that you can overcome the fear of skydiving. Make an appointment to skydive as soon as possible. The longer you wait the harder it will be. Follow steps 8-23 with skydiving as the situation.