Pay per impression ads?

[Trilitech]

I know this isn't directly related to adsense but this was the closest forum I could find. I have a forum that gets tons of impressions but virtually no clicks on the adsense ads. Could someone recommend a (legit) place I could get pay per impression ads from?

I know Adsense offers this now and someone was running PPI on my site for a while. My earnings went up 10x while those ads were running, but is back down now that they've stopped.

[DamonHD]

Hi,

I use TribalFusion for PPI and run it alongside AS with no difficulty. TF's eCPM is lower than AS for me, but not too bad.

Rgds

Damon