You can upload your own social icon, set your social URL, choose weather you want to display vertical or horizontal. You can use the shortcode [ws-social-icon] in page/post, template tag for php file <?php if ( function_exists('ws_social_icon') ) echo ws_social_icon(); ?> also you can use the widget "Custom Social Icons" for sidebar.
Initial this plugin dont have icons, you can download it from website below.
Visit
http://websensepro.com/custom-social-icons for more information