I use comission Junction to make affiliate earnings on my ebay banners. I find it is very slow at earning money but I have had one payout from them.

Commission junction is the best source for all who want to make a mark in affiliate marketing. They are the pioneer in affiliate marketing and have around 1000s of products and advertisers to choose for marketing and selling and hence earning from it. I love commision junction.

Commission Junction is ok. It is definitly one of the most popular affiliate networks.
But there are others like Linkshare and DoubleClick Performics.
Amazon has a good affiliate program also.
I would join as many affiliate networks as possible in order to get more choice of merchants.

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The only issue that I have with Amazon is that you only make a few cents per sale.

That's right. I once marketing to sell a bestseller book with Amazon. One day, I checked my Amazon account and found that I've got 9 orders, WOW! But looked at the money I've made, it wasn't even reach $1 yet.