How about you set up something like this:
Level 1: The populous that follows the rules of Graal Gpics checked about once every month.
Level 2: The some people who mostly follow the rules but had a couple screw-ups once every 3 weeks
Level 3:people spend half their time on Graal banned. Once every week
Level 4: people with a history of uploading inappropriate and/or have many offenses against Graal, 3 times a week
Level 5: People who if all of their actions were totaled up, they would be banned for over a year. 4 times a week.