Stay tuned at http://www.facebook.com/groups/pxperts/
The below application created to describe simple Facebook social plugins usage and how to develop a Facebook app from scratch.
The demo Facebook application : BookStall
The Entire Facebook application source code can be downloaded from here:
screen-casts will be added soon [N.B: 44 minutes screen-casts are too heavy to upload, skipped this]
This above session has been presented at BASIS SoftEXPO 2012