Pay with a Like ... no payment pop-up

It's not working. In the post page, it is set to:
Enabled: Always Enabled
Effective status: Effective
Method: Use selection Tool

here's what it inserts on the page: [pwal id="12822644" description="Please "like" fotoTUDE before proceeding to gallery pages"][/pwal]

It doesn't work. Actually, nothing has worked, other than the market plug-in and the dashboard that I'm currently using.