Imagen de Fondo JTable

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.util.Random;

import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;
/**
 * 
 * @author Leyer
 *
 */
public class JTableBackground extends JFrame{
	private static final long serialVersionUID = -6650115843758904110L;
	
	private static final String pathImage="d:\\12.jpg";
	
	public static final short WINDOW_WIDTH = 930;
	public static final short WINDOW_HEIGTH = 420;

	protected JTable     mainTable  =null;
	protected TableModel tableModel =null;
	
	public JTableBackground(){
		super("Imagen de Fondo JTable");
		initComponents();
		this.setSize(WINDOW_WIDTH,WINDOW_HEIGTH);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
	private class TableModel extends DefaultTableModel{
		
		private static final long serialVersionUID = 1L;
		
		public TableModel(){
			addColumn("1");addColumn("2");
			addColumn("3");addColumn("4");
			for(int index=0;index<20;index++){
				Object row[]={
						new Random().nextInt(100001),
						new Random().nextInt(100001),
						new Random().nextInt(100001),
						new Random().nextInt(100001)};
				addRow(row);
			}
		}	
	}
	private void initComponents(){
		tableModel=new TableModel();
		mainTable=new JTable(tableModel){
			private static final long serialVersionUID = 1L;
			
			 ImageIcon imageBackground = new ImageIcon(pathImage);
			    @Override
			    public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {
			        final Component c = super.prepareRenderer(renderer, row, column);
			        if (c instanceof JComponent){
			            ((JComponent) c).setOpaque(false);                    
			        }
			        return c;
			    }
			    @Override
			    public void paint(Graphics graphics) {
			        graphics.drawImage(imageBackground.getImage(), 0, 0,getWidth(),getHeight(),null);
			        super.paint(graphics);
			    }
		};
		mainTable.setFillsViewportHeight(true);
		mainTable.setOpaque(false);
		mainTable.setForeground(Color.white);
		JScrollPane scrollPane= new JScrollPane(mainTable);
		getContentPane().add(scrollPane);
		
	}
	public static void main(String[] args) {
		SwingUtilities.invokeLater(new Runnable() {
			@Override
			public void run() {
				new JTableBackground().setVisible(true);
			}
		});
	}
}