You could do a lot worse than consider some variation on the XP approach used here, ie encourage the userbase to self moderate and admonish the unbelievers who dare stray from the one true way. Perhaps a click and rate system where anything that goes heavily negative gets a quick review from you. Alternatively a user that gets lots of -- on their stuff could be disabled/deleted/spanked vigorously.

We do web filtration and have plenty of lists of offensive words. Drop me a line privately and I will email you a zip. The porn word list is too offensive to post publically, as well as being quite long.

cheers

tachyon

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