Help Please - Images Are Going Crazy

I have been working on this file for ages, I use this code

// Includes the tweening extensions.
#include "mc_tween2.as"

import mx.transitions.Tween;
import mx.transitions.easing.*;
fscommand("fullscreen", true);
Stage.scaleMode = "noScale";
Stage.align = "TL";

var stageL:Object = new Object();
stageL.onResize = function() {
    new Tween(btns, "_x", Back.easeOut, btns._x, Stage.width/2-btns._width/2, 1, true);
    new Tween(btns, "_y", Back.easeOut, btns._y, Stage.height-btns._height-30, 1, true);
};

Stage.addListener(stageL);
stageL.onResize()

var myClip = this.createEmptyMovieClip("mcl", this.getNextHighestDepth());
var myLoader = new MovieClipLoader();
var myListener = new Object();
var myTest = random(6) + ".jpg"; // Load 1 of 6 random images

/*Stage.align = "TL"; // Position the movie at top, center
Stage.scaleMode = "noScale"; // Prevent scaling (required!)

myListener.onResize = function (e:Object):Void {
	var sw:Number = Stage.width;
	var sh:Number = Stage.height;
	mcl._width = sw;
	mcl._height = sh;
  	trace("New width: " + Stage.width);
	trace("New height: " + Stage.height);
};*/

myListener.onLoadInit = function (mcl) { // Create fade in function
trace("load init");
mcl._alpha=0; // Make mc 'mcl' _alpha 0
mcl.onEnterFrame=function(){ // Create new function
mcl._alpha +=15; // Speed 15
 
if(mcl._alpha >=100){
delete mcl.onEnterFrame;
}
}
};

Stage.addListener(myListener);
myLoader.addListener(myListener);
myLoader.loadClip(myTest,myClip);

This loads 1 of 6 random images, Inside ANOTHER movie clip called (first) on my stage I have this code


 var myTest = "images/manly/manly" + 1 + ".jpg";
 _root.myLoader.loadClip(myTest,_root.myClip);

It forces an image to load works perfectly up until now! I dupliacted ‘first’ and called it second… Dragged it onto the stage but when it loads the images they come into the file at 300% larger than they are meant to be… I’m at my wits end if anyone can offer advice I would be very appreciative!