No title
```actionscript
function downloadThumbnail(url:String, savePath:String):void {
var loader:URLLoader = new URLLoader();
loader.addEventListener(Event.COMPLETE, onThumbnailLoaded);
loader.load(new URLRequest(url));
function onThumbnailLoaded(e:Event):void {
var bitmapData:BitmapData = new BitmapData(loader.data);
var file:File = new File(savePath);
file.open(FileMode.WRITE);
file.writeBytes(bitmapData.toPNGBytes());
file.close();
}
}
```
