Facebook LikeBox on Popup and Sidebar is a FREE Magento Extension that allows allows Facebook Like Box to popup on page load and also display the like box on left and right sidebar. You can show your Facebook Page on the popup and sidebar.
This module is compatible with Magento version 1.5 and later (Magento 1.5, 1.6, 1.7, 1.8, 1.9).
Facebook Like Box is a way to promote your Facebook page on your website. It allows admins to promote their Pages and embed a simple feed of content from a Page into other sites.
Configuration Settings
You can manage the display of the Like Box from System -> Configuration -> CHAPAGAIN EXTENSIONS -> Facebook Like Box Popup
Facebook Page URL, Page Name, Popup width and height, etc. can be adjusted from configuration settings. You can enable/disable Facebook Like Box on Popup. You can also enable/disable Facebook Like Box on left and right sidebar.
This extension can be downloaded from GitHub:
Facebook LikeBox on Popup and Sidebar