In a JFrame: How do I Display an animated gif

import java.awt.*;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.MouseEvent;
import javax.swing.*;
import java.awt.*;
import java.net.*;
import java.util.*;
 
 
public class starInvaders extends JFrame implements KeyListener, MouseListener, MouseMotionListener  {
 
	int x,y, oldx,oldy;
	int[] bt, bx,by; 
	int[] bcx,bcy;// bullet clear objects
	int bn; //bt is time alive, kill bullet after time
	boolean[] ba,bca;
	int newBulleti, newcBulleti;
 
	//test millind;
	int mx,my;
	
	static final long serialVersionUID = 46;
	Random rand;
	
	public starInvaders() {
		int x=1400;
		int y=1700;
		newBulleti=0;
		newcBulleti=0;
		
		bx = new int[1000];
		bt = new int[1000];
		by=  new int[1000];
		ba = new boolean[1000];
		bcx = new int[1000];
		bcy=  new int[1000];
		bca = new boolean[1000];
		int bcn=0; //iterator for new CLEARbullets
		
		for (int i=0; i<1000;i++) {
			ba[i]=false;
			bca[i]=false;
		}
		
		this.setSize(1800, 1800);
		this.setVisible(true);
		this.addKeyListener(this);
		this.addMouseListener(this);
		this.addMouseMotionListener(this);
		this.setBackground(Color.BLACK);
		
		int mx,my;
		rand = new Random();
		System.out.println("R1: "+rand.nextDouble());
		System.out.println("R2: "+rand.nextDouble());
		mx = (int) (rand.nextDouble()*800);
		my = (int) (rand.nextDouble()*800);
		System.out.println("Mcoords: "+mx+" ,"+my);
		
		repaint();
		
		
		 try {
		 URL url = new URL("http://htomc.dns2go.com/anim/anim/mutalisk.gif");
		 System.out.println("Mutalisk URL: "+url);
		 		 
		 
		 JLabel label = new JLabel(new ImageIcon(url));
		 label.setBounds(200, 200, 220, 220);
		 add(label);
		 } catch (Exception e) {
			 System.out.println(e);
			 System.exit(0);
		 }
	}
		 
	
	
	public void paint(Graphics G) {
		
		//G.setColor(Color.BLUE);
		//G.fillRect(0, 0, 900, 900);
	
		G.setColor(Color.BLACK);
		//G.drawLine(x, y, x+20, y+20);
		//G.drawLine(x,y,800,800);
		G.drawLine(oldx, oldy, oldx+20, oldy+20);
		G.drawLine(oldx+1, oldy, oldx+21, oldy+20);
		G.drawLine(oldx+2, oldy, oldx+22, oldy+20);
		G.drawLine(oldx, oldy, oldx-20, oldy+20);
		G.drawLine(oldx-1, oldy, oldx-21, oldy+20);
		G.drawLine(oldx-2, oldy, oldx-22, oldy+20);
		
 
		
		
		//new ship
		G.setColor(Color.PINK);
		//G.drawLine(x, y, x+20, y+20);
		//G.drawLine(x,y,800,800);
		G.drawLine(x, y, x+20, y+20);
		G.drawLine(x+1, y, x+21, y+20);
		G.drawLine(x+2, y, x+22, y+20);
		G.drawLine(x, y, x-20, y+20);
		G.drawLine(x-1, y, x-21, y+20);
		G.drawLine(x-2, y, x-22, y+20);
		
		//old m		
		G.setColor(Color.PINK);
		G.fillRect(mx, my, 30, 30);
		
		G.setColor(Color.PINK);
 
		
		
		//mx+=(int)Math.random()*5 -3;
		//my+=(int)Math.random()*5 -3;
		 
		
		
		//G.drawString("x "+x, 100, 200);
		//G.drawString("y "+y, 100, 230);
 
		//clear bullets
		/*
		G.setColor(Color.BLACK); 
		for (int i=0; i<100;i++) {
			if (bca[i]) {
				
				G.drawLine(bx[i], by[i], bx[i]+2,by[i]);
				G.drawLine(bx[i], by[i]-1, bx[i]+2,by[i]-1);
				G.drawLine(bx[i], by[i]-2, bx[i]+2,by[i]-2);
				G.drawLine(bx[i], by[i]-3, bx[i]+2,by[i]-3);
				bcy[i]-=1;
				
				
			}
			
		}*/		
		
		
		//bullets
		 
			for (int i=0; i<1000;i++) {
				if (ba[i]) {
					
					G.setColor(Color.BLACK);
					G.fillRect(bx[i], by[i], 15, 15);
					
					
					by[i]-=1;
					
					int r = (int) (Math.random())*10;
					System.out.print (r);
					G.setColor(Color.RED);  //
					if (r==1) G.setColor(Color.ORANGE);
					if (r==2) G.setColor(Color.GREEN);
					G.fillRect(bx[i], by[i], 15, 15);
					
					 
					
					
					
					
					
				}
				
			}
	
		repaint();
	}
	public static void main(String[] args) {
		System.out.println("starInvaders");
		
		starInvaders si = new starInvaders();
		
	}
	
	public void shoot () {//bullet
			
			int i=newBulleti++;
			
			ba[i]=true;
			bx[i]=x;
			by[i]=y;
			bt[i]=0;
			bca[i]=true;
			bcx[i]=x;
			bcy[i]=y;
			//find cleaner bullet bc
			int bci=newcBulleti++;
			
				if (bca[bci]==false){
					bca[bci]=true;
					bcx[bci]=bx[i];
					bcy[bci]=by[i];
				}
	}
 
			
 	
	
	public void keyPressed(KeyEvent k) {
		//System.out.println("keyPressed: "+k);
		//System.out.println("- "+k.getKeyCode());
	
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		if (k.getKeyCode()==37) x-=3;
		if (k.getKeyCode()==27) System.exit(0);
		if (k.getKeyCode()==39) x+=3;
		if (k.getKeyCode()==40) y+=3;
		if (k.getKeyCode()==38) y-=3;
		if (k.getKeyCode()==34) {x+=13;y+=13;}
		if (k.getKeyCode()==35) {x-=13;y+=13;}
		if (k.getKeyCode()==33) {x+=13;y-=13;}
		if (k.getKeyCode()==36) {x-=13;y-=13;}
		if (k.getKeyCode()==32) shoot();
		
		 
			
		
		
		
	}
	
	public void keyTyped(KeyEvent k) {
		
		
	}
	
	public void mouseEntered(MouseEvent m) {
		
	}
public void mouseReleased(MouseEvent m) {
		
	}
public void mousePressed(MouseEvent m) {
	
	shoot();
	
}
public void mouseClicked(MouseEvent m) {
	
	shoot();
}
public void mouseDragged(MouseEvent m) {
	
	oldx = x;
	oldy = y;
	x = m.getX();
	y = m.getY();
	
}
 
public void mouseExited(MouseEvent m) {
	
}
public void mouseMoved(MouseEvent m) {   
	oldx = x;
	oldy = y;
	x = m.getX();
	y = m.getY();
	
}
 
	
	public void keyReleased(KeyEvent k) {
	
	}
	
 
}
                                              

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