This plugin is simple, all in one and really simplifies your life (SEO, Social networks, Google adsense, GetClicky, button +1, plusone, plus one, Twit
IMPORTANT! If you are upgrading from a previous version first deactivate the plugin, then delete the plugin folder from your server.
Upload the plugin folder to your /wp-content/plugins/ folder.
Go to the Plugins page and activate the plugin.
Use the Options/Settings page to adjust the behaviour of the plugin.