It's hard to say what will get you sales. Experiment a bit and find out yourself. I've recently changed my sponsor and I am at flat 0 atm. And I am doing exactly what I've been doing with my last sponsor. Play with words, add pictures and don't give up after a week! If you will stay in this biz you will learn it's tricks and soon you'll be getting your sales
But also - spicing your text will convince surfer to get into your sponsor's site. So start reading some other blogs and get the idea how and what you should write.