Counter for wordpress
well statcounter group has started a new Official Wordpress Plugin for StatCounter which will allow you to easily install StatCounter on your wordpress.org blog and enjoy the full range of StatCounter stats!
For How do I use the StatCounter wordpress.org plug-in?
» Log into your StatCounter account.
» Click the wrench icon beside your project name.
» Click the ‘install’ code link.
» Follow the wizard and when asked for your web editor choose “wordpress.org”.
» Follow the remaining instructions