1. Choose whether you'd like the header displayed above the table or whether you'd prefer to just have the search form and table displayed. Most websites should hide the header as you'll have one already.
2. In the pop-up window, you'll see a field containing an embed code for the credential. Just copy the magic code and paste it into your website or blogging software making sure that you're able to enter HTML into your platform.
Here's an example of a directory embed to wordpress: