Step 1: Create a new material by selecting File>New Material from the Materails Manager.
Step 2: Double click on your new material. You can use movie textures in any channel, however, you will probably want use the movie texture in the color channel, which the material dialog defaults to. Click on the image button in the texture pane and select your AVI or Quicktime movie and click OK.
Step 3: To configure the movie settings, click on the 'Edit' button in the texture pane. A dialog box will open with movie options such as start and end frames, frame rate, timing, looping ect.
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