CGCookie - Understanding Sprite Workflow in Unity

https://cgcookie.com/courses/understanding-sprite-workflow-in-unity

With the introduction of Unity’s 2D toolset they also debuted a new ‘Sprite’ texture type. This series is intended to outline the various ways sprites can be imported and used in your game. A few things we will be covering in this course is: Multiple ways to import sprites into Unity, Slicing sprite sheets, Unity's Sprite Packer, Sprite animations, Mecanim’s state machine for animation transitions, Top down character controller, Once completed, you will have a basic understanding of the new Sprite Texture type for use in your own game.