morettolss

Add a Google+ (Plus) badge whene hover the user name, like plus.google.com. 
Check out an example here http://www.alessiomoretto.com/google-badge-per-gli-utenti-plugin-wordpress/
Usage: use a shortcode like: [gplusnamelink id=”ID” name=”WORD”]
Where id is the ID of the user (go to user profile and get the number) and word the text linked.
<h3>Donations</h3>
with PayPal on morettolss@gmail.com

Google+ Link Name

Add a Google+ (Plus) badge whene hover the user name, like plus.google.com.

williampatton

This Plugin adds the required Author Meta Tags to the header of all the pages on your WordPress site.
<ul>
<li>You must have a Google+ Profile</li>
<li>You must add the domain you want to show your Author info beside to your “Contributer To” section of your Google+ Profile.</li>
</ul>

Single Author G+ META

This Plugin adds the required Author Meta Tags to the header of all the pages on your WordPress site. It is specifically designed to be as simple as p …

Google+ Link Name vs Single Author G+ META