Using an Image as parameter

I want to send an Image object to a method named insertimage and I don't know how to do it.
I have the following lines:
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.Image;
import javax.microedition.midlet.*;
public class MiBotonMid extends MIDlet
implements CommandListener,Boton.Receptor {
private Display display;
Image duke = null;
ImageItem imgIt = new ImageItem("", duke, ImageItem.LAYOUT_DEFAULT, "TECHTOOL");
protected void startApp() throws MIDletStateChangeException {
if( display == null )
iniMidlet();
private void iniMidlet() {
display = Display.getDisplay( this );
try
duke = Image.createImage("/logo.PNG");
insertimage(duke);
catch (java.io.IOException ex)
System.err.println("Excepci�n: " + ex);
public void insertimage(Graphics g, Image duke)
g.drawImage(duke,0,0,Graphics.TOP);
When I compile this lines it appears me the following lines:
insertimage(javax.microedition.lcdui.Graphics,javax.microedition.lcdui.Image) in boton.MiBotonMid cannot be applied to (javax.microedition.lcdui.Image)
insertimage(duke);
Anyone knows how to solve this error?
Thanks.

Well i am doubtful but i think wbmp only should be supported.

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