This plugin/widget allows you to insert social icons in any widget area.
The Simple Social Icons plugin is hosted at the WordPress Plugins directory. You can download it there.
1) Upload the entire simple-social-icons folder to the /wp-content/plugins/ directory
2) Activate the plugin through the ‘Plugins’ menu in WordPress
3) In your Widgets menu, simply drag the widget labeled “Simple Social Icons” into a widgetized Area.
4) Configure the widget by choosing a title, icon size and color, and the URLs to your various social profiles.
Simple Social Icons is an easy to use, customizable way to display icons that link visitors to your various social profiles. With it, you can easily choose which profiles to link to, customize the color and size of your icons, as well as align them to the left or right, all from the widget form (no settings page necessary!).
Includes the Following Icons
4. Google +