Monetize fan site

I have an unofficial fan site for a teen group that is pretty popular. Not Justin Beiber popular but popular enough that my daughter likes them.

Well I am on the first page of Google, right underneath the official bands page. I get about 400 uniques a day and have been monetizing with Adsense and CPA ads.

So far I haven't been getting rich of Adsense or CPA so I'm looking for advice on how to take the monetization to the next level.

Keep in mind that the majority of visitors are teens with no money.... Unless they use their parents credit cards

Thanks.

Well then you are probably looking at 1/2 field CPA offers which you can target based on the audience.

For example a free iPhone cpa offer might do well - or whatever else could be popular for your target audience.