All The Ways To Earn Money (Advertising Networks)

I. PPC Ad Networks
I-A. Banner/Text PPC Networks

Google Adsense
Chitika
AdBrite
Valueclick Media
Clicksor
Bidvertiser

I-B. In-Text PPC Networks

Infolinks
Kontera
InTopic Media
SinText Media (adult)
Affinity

I-C. Incentive PPC Networks

Linkbucks
Adf.ly

II. CPM Ad Networks

Tribal Fusion
CPX Interactive
Global Take Off
AdBrite
RealTech Network
Interclick
RockYou Ads
Kitara Media

III. Selling Text Links

Text-Link-Ads
Backlinks.com
Linkworth
Text Link Brokers
Authority Backlinks
Linkadage

IV. Sponsored Articles

Pay Per Post
Social Spark

Note : You can also use these as an advertiser to buy traffic.
If you want to add an advertising network just post it on this thread, but it has to be serious (not scam).

See original post by Vontage