give you instant search engine "juice", with very little work involved.
When it comes to generating back-links with blogs, you need to:
1) Find blogs that provide a 'do follow' (the only kind of blogs where a link back to your site will count as a "vote".)
2) You explore and read the blog and then you make an insightful, useful or
relevant comment to the post that is likely to be approved by the blog's
3) Include your back-link with relevant anchor text on the blog.
4) Rinse & Repeat