The idea of the links is not really to send you traffic directly, but to get you better listings in the search engines.
You need to go to google and search for ” search engine optimization ” and study it.
It is where you can get the best traffic – and free. But it’s study and work and more work.
Finding decent paid advertising is what everyone is trying to do right now. Try SEO, and test ppcs with very small amounts. Check around this board for warnings about ppc buys. The bad ones are listed in several places.