Tabfusion's new app allows you to log in to your Pinterest account and then select which Facebook page (if you have multiple) you would like to post the pins on. The app then shows up in a tab on the page that displays each pin in a single vertical column.
Not only is this a fun way to show off your pins to your Facebook likers, but it also may be a decent way to drive more Facebookers to your Pinterest page and build your following quicker.
Here is an example of how the Pinterest tab looks on a business' page:
h/t to Allfacebook.com for reporting first on this app.