Use the Warp medium to stretch and distort regions
            of the image.
         
         To warp the image:
         
         
            - Click Custom and select Warp from the
               Custom Media box.
            
- Click Canvas.
            
- Set the brush size.
               The area that can be
                  warped is determined by the brush size.
                
- Select a portion of the image and hold
               down and drag the cursor to warp the selection.
                  
                     
                        
                        
                        
                           |  |  |  
                           | Original image | After using the Warp medium |