I put mine in there but to be honest am more interested in otehr peoples posts most of the time rather than starting my own threads and I refuse to start them just to get adsense impressions its just not what the forum is about for me. I guess I'll never get anything worth talking about but dont really mind as I get so much fgrom the forum or have in the past that I'd rather use it for cummunication. I have learned a lot from other users here, thanks to everyone even if my posts have been deleted, old ones have to go to keep the forum current I'm sure.
I too donate it for charity. Unless you post a hell lot and start new threads, the revenue is going to be very little. I know a lot of people claim to earn $2-$20 from DP, but those are most likely lies. I am not sure if many people know it - There is some charities that will give you their publisher ID. if you add it to your profile, whatever little you earn will go to the charity.