Simple Google Analytics is a WordPress plugin by JeromeMeyer62 allows you to easilly add your Google Analytics code on all your pages. Just add your ID, choose if you are on a sub-domain (setting in Google Analytics code), and enter the domain.
Simple Google Analytics will not track admin users logged-in.
Plugin homepage: http://www.arobase62.fr/2011/03/23/simple-google-analytics/
Download: http://wordpress.org/extend/plugins/simple-google-analytics/