For those simple keywords promotion. Just release some high quality of hand written articles for some blog site whose PR is more than 4. Insert in these articles 2 or 3 of your target web links. That your keywords ranking will soon be improved. These blogs website refers to an independent domain WP blog sites. Or free subdomain blogs, who can tell me how to find this blog? Provides the high quality of writing articles by myself. Blog administrator only needs to publish these articles, and they must be paid!