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.

GRTteam

Social Media Panel for Images is plugin to add social buttons on images in posts. 
If you want your readers to be able to share post from your blog – this plugin is for you. 
You can choose what buttons to show. 
Supports next social buttons:
Twitter 
 Facebook 
 Google+ 
 Livejournal 
 Youtube 
 Vkontakte 
 LinkedIn 
 Picasa Web Albums 
 Flickr 
 Pinterest 
 DeviantArt

SocialMediaPanelForImages

Social Media Panel for Images is plugin to add social buttons on images in posts.

Google Plus Favicon vs SocialMediaPanelForImages