hello i don't know how to use the best settings for gsa.I started seo using gsa two weeks ago.My settings is skip sites with pr below 5 skip unkown pr search engine is checked all.i have link building campaign for keywords which have searches monthly 4 000 to 50 000.what do i do wrong.i havent result.I use only trackback and blog comment.Website is on page 4 or 6 and 8.Sometimes website disappear from search engine.Please help.I want rank youtube movies and website.Please help me.Thanks