This is a free facebook pixel magento extension.The extension add facebook pixel code to the magento website.It also provides to option set advanced facebook pixel from magento backend.
This tutorial explains how to display selected categories home page magento extension . The extension decides whether to display category in the magento home page as shown below.
The extension give the customer an option to display selected categories in the home page. The customer can set this from the magento backend based on their need.