Animation flickers

[Pin Head]

Hi
I'm having trouble with this animation when the application runs the logo flickers can someone help me with this
problem please

package starLogoMain;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.Timer;

public class StarLogoMain extends JFrame implements ActionListener 
{

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	private BufferedImage[] image;
	private Timer timer;
	
	private int counter;

	public StarLogoMain() 
	{
		// TODO Auto-generated constructor stub
		super();
		setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
		getContentPane().setBackground( Color.BLACK );
		
		loadImage();
		
		timer = new Timer( 250, this );
		
		timer.start();
		setSize( 500, 500 );
		setVisible( true );
	}
	
	public void loadImage()
	{
		try
		{
			image = new BufferedImage[ 6 ];			
						
			for( int i = 0; i < image.length; i++ )
			{
				image[ i ] = ImageIO.read( new File( "C://Users//Genesis//Desktop//cv//Game Menu Designs//" +
						"StarLogo Menu//Star Startup Menu Design//AnimationReferences//StarLogo//starLogo1 " + (i + 1) + ".png" ) );
				
			}
		}
		catch( IOException io )
		{
			System.out.println( "Cannot Find Images: " + io );
		}
	}
	
	public BufferedImage[]getLoadedImages()
	{
		return image;
	}

	@Override
	public void paint( Graphics g )
	{
		super.paint( g );
		if( getLoadedImages()[ counter ] != null )
		{
			g.drawImage( getLoadedImages()[ counter ], this.getWidth() / 2 - 150, this.getHeight() / 2 - 100, null );
			Toolkit.getDefaultToolkit().sync();
		}
	}
	
	@Override
	public void actionPerformed( ActionEvent e )
	{
		// TODO Auto-generated method stub
		
		if( counter < 5 )
		{
			counter = counter + 1;
		}
		else
		{
			counter = 0;
		}		
		
		repaint();
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) 
	{
		// TODO Auto-generated method stub
		new StarLogoMain();
	}

}