- Use a shape tool to create your button. If You're making a flash banner, the button will be the same size as the stage, and positioned at the top of the layers pallette
- Make sure your shape is selected, then press F8 (or Modify > Convert to symbol). Select Movie Clip and press OK.
- If you want the entire image to act as a button, like a Flash banner for example, make the button transparent by reducing the alpha to 0%.