You need to post links on thematic forums and sites with questions and answers. Pagerank of main page shouldn't be less than 3. If you create new theme with link and text on forum - we pay $[url removed, login to view] you find open thread on this theme and post a link with text in it - we pay $4 for a link. In a day you should post no more than 10 links. Every link will be checked within 5 days. Text should be thematic and should consist of minimum 2 sentences. All posts should be unique and shouldn't repeat.