Comment on Google Authorship Tutorial by Mark Biernat.

Google Rich Snippets Tutorial Having a bit of trouble getting my Authorship validated. Is there a simple step I am missing?
I added my website to my Google account under “contributor to”.

Put my account link for my Google account under my WordPress profile under my user.
Is there anything else I need to do to get Google Authorship to work on a webpage with the theme?

Do you think Authorship verification is an SEO factor in 2013?