Here is two good articles about affiliate in general. The first is written by Christopher Kyalo who is a writer/marketing expert. The second article is written by Alan Tutt.

How to make money from affiliate programs
“Marketing expert Christopher Kyalo takes a look at the way successful affiliates generate leads and advertise products. Remember a penny saved is a penny earned.”

Affiliate Power
“The easiest way to make money is to promote other people’s products online. Read this article to know how to profit best from affiliate programs.”