WAIT!!! I just looked at the chart and realized that people buying Call of Duty caused the amount of violent crimes to go down! The people who are committing the crimes must be buying the games and getting too addicted to go do anything bad. LOGIC!!!!
(JK, that would never actually happen... or would it)
One thing to note about Fraps: The screen recorder doesn't have time to compress the video as it records, resulting in 4G for a five-minute video. There are several tools to compress them after the fact though. Just make sure your computer has enough space for the video files.
You can use command blocks that test for different things. For instance, you could have a command block remove a full map (which is created when you right click an empty map) and when it succeeds teleport the player to certain location and replace the empty map. You could also do the same with experience, or potion effects.
I would go for different classes which have their own story line that intermingles with the other classes. The classes should have special roles in battles and vary from kingdom to kingdom. Ex. Night, Paladin, Archer, Wizard, King, etc.
