Background not displaying in JPanel

Question

I have tried virtually every method I can find on this site to display a jpg in a panel yet while it compiles fine the background does not show up. Can anybody please take a look at this code and try to figure out where I went wrong? Thank you
import java.awt.*;
import java.awt.event.*;
import java.awt.Image;
import javax.swing.*;
import javax.swing.filechooser.*;
import java.io.File;
import java.io.*;
public class Main implements ActionListener {
JFrame f1,login;
JLabel LID,LPW,LTitle;
JTextField TID,TPW;
JButton BLogin;
JPanel PTitle,IDPanel,PWPanel,LPanel,PL;
ImageIcon background;
public Main() {
CreateLogin();
login.setVisible(true);
public static void main(String[] args) {
new Main();
public void CreateLogin(){
login=new JFrame("Guelph-Humber Mark Program");
login.setSize(150,300);
Container LContainer = login.getContentPane();
LPanel=new JPanel(new BorderLayout());
LPanel.setOpaque(false);
//Adds title bar
PTitle=new JPanel(new FlowLayout());
PTitle.setOpaque(false);
LTitle=new JLabel("LOGIN");
PTitle.add(LTitle);
LPanel.add(PTitle,"North");
//Center Portion
background = new ImageIcon("bg.jpg");
PL=new JPanel(){
public void paintComponent(Graphics g) {//Overrides default JPanel paintcomponent method to draw the background
Dimension d = getSize();
g.drawImage(background.getImage(), 0, 0, d.width, d.height, null);
setOpaque(false);
super.paintComponent(g);
PL.setLayout(new GridLayout(2,1));
IDPanel=new JPanel();
IDPanel.setOpaque(false);
LID=new JLabel("ID:");
TID=new JTextField(12);
IDPanel.add(LID);
IDPanel.add(TID);
PWPanel=new JPanel();
PWPanel.setOpaque(false);
LPW=new JLabel("Password:");
TPW=new JTextField(12);
PWPanel.add(LPW);
PWPanel.add(TPW);
PL.add(IDPanel);
PL.add(PWPanel);
LPanel.add(PL,"Center");
//South portion
BLogin=new JButton("Login");
BLogin.addActionListener(this);
LPanel.add(BLogin,"South");
LContainer.add(LPanel);
//Window adapter to close program when frames closes
login.addWindowListener( new WindowAdapter() {public void windowClosing(WindowEvent evt) {System.exit(0);}});
public void actionPerformed(ActionEvent e) {
if(e.getSource()==BLogin){
}

Answer 1

1) Use the "code" tags when posting code so the posted code retains its original formatting.
2) Learn the Java Naming conventions. None of your variable names follow standards and its very confusing to read. Variable names should start with a lower case character (class names start with an upper case character)
3) The order of your code in the paintComponent(...) method is correct.
4) Your code works for me, so I'm guessing you are just not finding your image.