WordPress.org

For the plugin to work you will need eg the exec PHP plugin (http://bluesome.net/post/2005/08/18/50)

1. Download and unzip the package.
2. FTP the entire "ECadmanager" directory to your /wp-content/plugins/ directory on your blog.
3. Activate the plugin on the "Plugins" tab of the administartion panel.
4. Either use the widget, or place the template tag where you wish your ads to appear.
5. Go to the new section of the WordPress admin, and fill in your seller id and seller secret.