Set the destination mesh
            to be the same as the source mesh at the first frame, then change
            the shape of the destination mesh at different frames of the front
            clip to outline the required shape of the distorted image.
         
         To define the destination mesh for the
            warped image:
         
         
            - Click Front Source.
            
- Go to the first frame in the clip.
            
- Click Copy to copy the source mesh.
            
- Click Front Destination to select the
               destination mesh for the front clip.
            
- Click Paste to paste the copied mesh
               into the destination mesh.
            
- At several frames in the clip, modify
               the destination mesh to outline the required shape of the warped
               image.
               TipIn the view box,
                     select Result to see the pixels move as you move the mesh points.
                   
- When you finish modifying the meshes,
               go to frame 1 and click Process to process the clip.