You could try using videos to promote your affiliate products, make a quick video reviewing the product you are trying to sell. If you title the keyword in your video, and then upload it to youtube.com people will find your video. What you want to do is also add a website in the more information box, and tell them to click the link and if someone listens, and finds that the product you are reviewing can help them, they buy, and you make money!
anchor text is are the words that link from one page to another type in to google "how to create hyperlinks" the top site has information on how to write links with anchor text