- approach advertisers directly. If you have the traffic then it shouldn't be too difficult - harvest co-op or link vault in order to promote more profitable sites & maybe sell the excess - giveaways and similar promotions can help you get new advertisers/users - use it to promote spyware. Yes I know it's sneaky but don't they pay like $0.50 per install? If you have 10,000 users that can add up. There are a million ways to monetize a big forum, or use it's size to promote other more profitable sites you own.