Build pages with links back to your site on free blogging and other sites:
wordpress, blogger, myspace, squidoo, hubpages, wiki, twitter, tumblr, pr sites, article sites, free site builders & so on
Tools for measuring link juice: linkscape
Look to different sources of quality links:
Use paid link building services such as LinkVana
f you find that someone has linked to you, take the url of their post and submit it to the bookmarking sites
Great link building tips from SEO MOZ.