These types of ads pay a fixed dollar amount based on an action taken (like an email submit form filled out).  Many of these ad networks listed below offer both affiliate commissions (% of the actual purchase price) AND CPA opportunities.  There are also a LOT more ad networks out there than I could possibly ever list in this category – this is just a few.

1. Neverblue Media

2. Clickbooth

3. MaxBounty.com

4. PeerFly.com

5. CPAway.com

6. Adscend Media

7. ShareaSale.com

8. CPAlead.com

About a thousand others…