2nd 3rd 4th Tier PPC search

[eadlines]

PPC Engines I have been able to make a profit using:
1st Tier:
AdWords
Yahoo Sponsored Search
MSN AdCenter

2nd Tier:
LookSmart
AdSonar
SuperPages

3rd Tier:
7Search
Enhance
SearchFeed
goClick


4th Tier
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PPC (Pay Per Click) Affiliate Marketing

There are the PPC feed which I used ,there are good work for me .

there are not good for me:
xmlrevenue
adonnetwork
bid4keywords
vortalinteractive
vortal


do you know any good 4th Tier PPC (Pay Per Click) Affiliate Marketing , I want to try the 4th Tier PPC , If you know , please PM me .

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Huge traffic looking for PPC affiliate program

[eZangaPRSpec]

Another 2nd tier search engine to check out is eZanga.com. eZanga offers high grade search as well as customized PPC ad campaigns. With eZanga's anti-click fraud technology, Traffic Advisers, fraud is detected real time rather then after the fact, therefore increasing ROI.

[eadlines]

Another 2nd tier search engine to check out is eZanga.com. eZanga offers high grade search as well as customized PPC ad campaigns. With eZanga's anti-click fraud technology, Traffic Advisers, fraud is detected real time rather then after the fact, therefore increasing ROI.

Thank you ,Ezanga.com has a traffic rank of: 1294,16779

Do you know others 4th Tier PPC search engine?