OpenSocial Google Workshop - Here's an hour-long video of a workshop that Google offers for getting acquainted with OpenSocial. While not strictly a tutorial, it does provide some great information.
Google's Open Social Tutorial Series - This five-part series covers all the basics for using OpenSocial and includes: Gadget Basics, Listing Friends, Giving Gifts, Listing Gifts You've Sent, and Listing Gifts You've Received.
How to Put Flixster Functionality into MySpace - This tutorial shows how to integrate Flixster into your MySpace.com profile using OpenSocial. [img src="http://sale-online.click/wp-content/uploads/2008/08/opensocial-logo.png" caption="" credit="" alt=""]
OpenSocial Across Containers - This video covers best-practices for implementing OpenSocial applications across containers.
Tour of OpenSocial Developer Resources - This video gives an overview of all of the resources available to Orkut/OpenSocial Developers.
E-junkie talks about OpenSocial - This video gives an overview of how E-junkie.com uses the OpenSocial platform.
A Different Kind of OpenSocial Container - This video suggests a new way for OpenSocial containers to give access to their applications, and has some very useful ideas for OpenSocial developers.
MySpace Developer Platform Videos - MySpace applications are built on the OpenSocial platform, and they have six videos here to get you started.