First I will show 10 result for pages. Testes by yahoo site explorer. I use 3 fraze long tail keyword. 1.Amazon 4pr. 46 backlinks 2. NO pr. 3 backlinks 3.No backlinks PR.0 4. 3 backlinks PR.3 5. 20 backlinks PR.2 6. 12 backlinks PR.3 .... I have 2xPr5 backlinks. And I use natural links and have some pr 4,3,2,1. Page have abouth 1 month. Using mine long tail keyword with " " I'm 32 in google. Mayby it's possible that I have added comment on some page and I'm now in top commented and fro 3-6 days I suddenly have 221 backlinks when I had 10 good and 10 natural.It's possible that this destroying mine work? I use blogger.com. I have added meta tags description tittle little content with mine main keyword. Any suggestion what to do? I promote amazone product. I didn't add page to any directory. Only comments and added to google,msn yahoo. Mayby someone with good result with amazon association can pm to me. Thanks very mutch for respone