// displayPanel.add(prnPanel, BorderLayout.SOUTH);
CompositeEntity toplevel = (CompositeEntity) _toplevel;
ImageDisplay consumer = (ImageDisplay) toplevel.getEntity("Compressed");
compressedPanel.add(new JLabel("Compressed"), BorderLayout.NORTH);
consumer.place(compressedPanel);
displayPanel.add(compressedPanel, BorderLayout.EAST);
consumer.setBackground(null);
ImageDisplay original = (ImageDisplay) toplevel.getEntity("Original");
originalPanel.add(new JLabel("Original"), BorderLayout.NORTH);