Unzip the downloaded package and upload the 'pixel-sitemap' folder into the 'wp-content/plugins/' directory, directory 'pixel-sitemap' must be writeable
Log into your WordPress admin panel
Activate the plugin through the 'Plugins' menu in WordPress
Be sure to check the widget page (available from the 'Appearance' > Widgets menu)
Add widget 'Pixel Sitemap' into your sidebar
Requires: 2.3 or higher Compatible up to: 2.7.1 Last Updated: 2009-4-4 Downloads: 3,575