Originally Posted by Colmike9

You're really just going to have to find a bunch of them, do tests, then scale up what works.
If there's a good traffic source, no one is going to tell you about it, at least not publicly on a forum. And the ones that are recommended are either just to get a commission, or just throwing out the big names, and those big ones are going to have good traffic, but you'll have to either find it or pay more than you'll want to pay for it.