The number one search tool on the net, the Google has provided blog authors to actually show their pictures on their search engine. You might have searched some keywords and noticed pictures of blog authors’ appearing next to search results, and yes when you see picture of author, whether it’s your intuition or just curiosity, you will tend to trust that link more, rather than a link without an author snippet.
Until now, it wasn’t possible for people to see your Facebook wall updates directly, unless you have set your Facebook privacy settings to public. But even though they will not hear what you want to say, unless they visit your profile directly. If you are some well known social figure, such as if your profession is DJ, musician, artists, journalists etc. public are interested in what you post on your wall. So why not let them subscribe to your Facebook updates.
Creating a Facebook Application on Facebook gives you the opportunity to integrate your site into the core Facebook experience. All of the core Facebook technologies, such as Social Plugins, the Graph API and Platform Dialogs are available to Apps on Facebook. Creating Facebook applications is very easy, just follow the steps provided in the page and you are ready to go.
First make sure, cURL is installed in your host server. Here are few screenshots to show how component and module are installed in your joomla CMS.These are the screenshots from Joomla 1.5 admin control panel. Even if you are using newer joomlas, instillation process are similar.