Banner links can be a powerful promotion tool for advertising your affiliate products. Almost all affiliate programs offer them and smart affiliates take advantage of their advertising power by using them on their affiliate sites.
Using banner advertising is a valuable resource but how you use them is key. The success of a banner's click through rate is often determined by where a banner is placed on your site, how it is worded, its eye-catching ability, colors, etc.
So what makes a banner achieve a high C.T.R.?