1.) To use WooBox's custom HTML tab, go here: https://www.facebook.com/add.php?api_key=9b6c3032a5f661005f6c5a11f8c57377&pages and select the page you'd like to add it to.
3.) Replace "URL_OF_YOUR_FACEBOOK_PAGE" with the URL of your page, for example "www.facebook.com/RebelMouse"
4.) Then under "Enter the HTML for your page", paste your Rebelmouse embed code*, set the tab name (and optionally, image) as desired, and click Save Settings.
To see an example, check out our new RebelMouse Facebook tab
*This can be generated from your Dashboard's Embed tab. Be sure to choose a fixed height (like 3000px) when generating the code.
If you have any trouble, please contact firstname.lastname@example.org.