9gaurav

A cool , simple sidebar widget for Google Plus profile badge. 
Displays your Google+ profile pic, short information and link to your Google+ profile.

Google+ Badge

A Google+ Badge displays your profile information for your blog or site.

Patrick Chia

This plugin allows you to generate a <a href="https://plus.google.com/" rel="nofollow ugc">Google+</a> favicon for your blog and admin logo included Apple touch icon. Activate the plugin, and it will add G+ photo to your blog template and admin panel automatically.

Google Plus Favicon

Simply add a Google+ account ID to generate a G+ favicon for your blog and admin logo included Apple touch icon.

Google+ Badge vs Google Plus Favicon