// Create the frame
JFrame frame = new JFrame("Captcha");
// Download captcha
CaptchaDownloader cd = new CaptchaDownloader();
Image image;
try {
// Add the captcha image to the frame
image = (Image) cd.getCaptchaImage(iden);
JPanel mainPanel = new JPanel(new BorderLayout());
mainPanel.add(new JLabel(new ImageIcon(image)));
frame.setSize(200, 200);
frame.add(mainPanel);
frame.setVisible(true);