Of all of the communities I've seen, tron-sector's probably the best. Here's a freindly reminder from me:
Go to this page, look at some posts if you want, then come back here.
Example 1
Community site for the Worlds of Fun theme park.
Nice and clean, eh?
Unfortunately that was page 10 on their forum topics list.
Here's page 1 (most recent):
Look at some of these topics (proceed with caution)
Example 2
Now, please, for the sake of all of our users, be happy tron-sector isn't like this.
This really isn't here to prove a point. Just to show how messed up some forums can get if not moderated as well as tron-sector. Keep up the good work, everyone!