AdSense competitors come and go.
PPCProfitMachine and Affiliate Sensor appear to be defunct.
Adbrite, Chitika and Bidvertiser seem to be survivors.
Affiliate Power Ads
Russell Brunson's Affiliate Power Ads are text ads with graphics.
You have a say in what is advertised. Here's a sample…
CPProsense is free to join. They make money by placing one of their ads in your display. This is a contextual ad delivery system. The products delivered match the page content. Here's a sample…
These AdSense competitors are well worth checking out – especially considering that you can easily use Affiliate Power Ads to replace AdSense PSA ads.