WordPress.org

Installation is easy:

1. Download the WWSGD WordPress plugin and unzip it.
2. Copy what_would_seth_godin_do.php to your WordPress plugins (/wp-content/plugins/) folder.
3. Activate the plugin on the Plugin Management page.
4. Customize settings on the Settings page.

That's it!

Subversion (SVN) users can check out the plugin directly from the WordPress.org repository:

http://plugins.svn.wordpress.org/what-would-seth-godin-do/