How to Use Video Layers in Photoshop CS6
In Creative Suite 6, Photoshop did users a favor and made video layers a part of the Standard edition. Previously video layers were only in the Extended version. Not only that, Adobe also simplified the use of video layers making the creation of video projects as easy as those with still images.
To bring in a video, just choose File→Open and select your desired video like you would any other file. The video comes in on its own layer in your Layers panel. It also shows up in the Timeline panel (Window→Timeline).
To play the video, click the Play button in the top left of the Timeline. There are also controls to go to the Previous and Next frames, Mute Audio, and Split at Playhead (the arrow-like marker directly under the time portion of the Timeline). You can also bring in audio tracks, add transitions, and combine your video with still images and even type.
When making layers, good old-fashioned regular layers are the backbone of the layers world. Even though there are multiple ways to create layers, they provide a solid starting point.