It's pretty much all about traffic. If you have large amounts of traffic, you will sell. No breakthroughs here!
If you look around, you'll see threads of people saying they have the clicks but have not made any substantial sales.
Thank you for the links. Those are so inspiring to me as I'm just in a week try my luck in this Amazon affiliate stuff.
Uhmm yeah Problogger has his photography blog and digital cameras seem to be the best deals on Amazon lately. No wonder he's made a small fortune. Al.