blend_median
      No arguments
      Description:
Blend selected images together using median mode.
      Example of use:
      
 <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> testimage2d {w},{h} +mirror[0] y +blend_median
                
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> testimage2d {w},{h} +mirror[0] y +blend_median
        
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> testimage2d {w},{h} +mirror[0] y +blend_median
        
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> testimage2d {w},{h} +mirror[0] y +blend_median
        
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> testimage2d {w},{h} +mirror[0] y +blend_median