If you're new to Clickbank here is a free report to help you get started.

http://www.supertips.com/reports/?id=524&b=6

In addition to the above, here's one piece of advice I can impart. Be patient. Learning online marketing is a craft like any other profession. It takes time to learn the ins and outs. It takes time for things to 'click'. The payoff is well worth enduring the initial frustration. There's no better job or lifestyle than promoting Clickbank products. Stick with it.