I state that the extension EasyBlog is the best approach for creating and managing a blog in Joomla, it has many interesting features at seo only missing this very important features.
The Rel Author
It would be interesting to do so as to display the "smiley face" in the SERP that the link to the page dell'utore have the rel athour: for example
<a rel="author" href="link"> Name of bloggers </ a>
stefano