Animated image loop with AS3

Hello. I’m new to AS3 and need some help creating an animated loop with dynamic images loaded from an xml document. I have it all working except I was wondering if there was a way for the images to transition in a way they look like an animated weather radar loop instead of it blanking out in between images. I’d like for it to look something like this: http://www.internet-graffiti.com/hurricane-rita.html, and less like an image gallery. Is there a way to do that? Here is my code:

import flash.display.;
import flash.events.
;
import flash.net.;
import flash.text.
;

var picNumber = -1;
var imageLoader = new Loader();

var myXML:XML;
var myLoader:URLLoader = new URLLoader();
myLoader.load(new URLRequest(“images2.xml”));
myLoader.addEventListener(Event.COMPLETE, processXML);

function processXML(e:Event):void {
myXML = new XML(e.target.data);
for (var i:int = 0; i<myXML..length(); i++){
trace("My image number is " + (i+1) + " and it’s URL is " + myXML.image
);
};
}

function loadImage(url:String):void {
// Set properties on my Loader object
//imageLoader = new Loader();
imageLoader.load(new URLRequest(url));
imageLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, imageLoading);
imageLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, imageLoaded);
}

function imageLoaded(e:Event):void {
// Load Image
imageLoader.width = 650;
imageLoader.height = 425;
imageArea.addChild(imageLoader);
}

var myTimer:Timer = new Timer(200); // 1 second
myTimer.addEventListener(TimerEvent.TIMER, setURL);
myTimer.start();

function setURL(event:TimerEvent):void {
if (picNumber>=myXML.*.length()-1) {
picNumber = 0;
} else {
picNumber++;
}
trace("image: "+myXML.image[picNumber]);
loadImage(myXML.image[picNumber]);
}

Thanks for any help!