import flash.net.URLRequest;
import flash.display.Loader;
var ldr:Loader = new Loader();
var url:String = "image.jpg";
var urlReq:URLRequest = new URLRequest(url);
ldr.load(urlReq);
addChild(ldr);
http://help.adobe.com/ru_RU/AS3LCR/F...xamplesSummary