Paginate

I'm using the following code to display and paginate my products on the store page:
[mp_list_products paginate="true" page="1" per_page="20"]

However, it's not working. For one, it says "<< Older Posts" these are not posts. That link will take you to a second page, but the product listings don't change.

Here is my store:
http://attorneys.us/store/