OAuth and OpenID Userful Video Resource

OAuth
http://www.youtube.com/watch?v=PqNjmMvpeT4

OAuth Presentation
http://www.youtube.com/watch?v=S8zmDIlGsV8

Securing Rest-ful Web Services with OAuth2
http://www.youtube.com/watch?v=8uBcpsIEz2I

Cloud Foundry Blog
http://blog.cloudfoundry.org/2012/10/09/oauth-rest

Authentication OAuth 2.0
You're building an API and the question comes up, how to let client applications authenticate against it? Giving username/password to 3rd party client applications is a security anti-pattern. You don't want to do that. API keys are better, but confusing for the average user. So we're going to look at solving that with OAuth 2.0.
http://www.youtube.com/watch?v=khnmMv4_RCE

Google I/O 2012 - OAuth 2.0 for Identity and Data Access
http://www.youtube.com/watch?v=YLHyeSuBspI
This session will cover the latest advances in how OAuth can be used for data access, but will also dive into how you can lower the barrier to entry for your application by allowing users to login using their Google accounts. You will learn, through an example written in Python, how to use OAuth 2.0 to incorporate user identity into your web application. Best practices for desktop applications, mobile applications and server-to-server use cases will also be discussed.

OAuth and OpenID for Data Access and Identity in web apps
http://www.youtube.com/watch?v=U9Dfr_VIpic

OAuth 2.0 Tutorial 3 Implicit Grant Type Using Layer 7 OAuth Toolkit
http://www.youtube.com/watch?v=OfgVewoEbX0&list=PL032A5954701D543C

Facebook Google Login OAuth
http://www.youtube.com/watch?v=Q8s8AyL71Uk

Google OAuth Demo: Step #1 Initial Preparations
http://www.youtube.com/watch?v=_uLB_vn0et0

Authentication with OAuth and Connected Apps
http://www.youtube.com/watch?v=SBeO-Jkx3LA

OAuth 2.0 - Part 4
http://www.youtube.com/watch?v=0PvQcLzVGF0

OAuth 2.0 in Depth.mp4
http://www.youtube.com/watch?v=hEewiXlynyc