[Wolsh]

Рад что всё получилось. Однако жаль выбросить потраченный час, поэтому я всеже представлю свой вариант.

Stage.scaleMode = "noScale";
Stage.align = "TL";
import flash.display.BitmapData;
////
var cols:Number = 6;
var pics:Number = 30;
var vspace:Number = 10;
var hspace:Number = 10;
var img_height:Number = 70;
var img_width:Number = 70;
////
var bitmap:BitmapData = new BitmapData(img_width, img_height, false, 0);
var gallery:MovieClip = _root.createEmptyMovieClip("gallery", 10);
var float_pic:MovieClip = _root.createEmptyMovieClip("float_pic", 20);
var float_bmp:BitmapData = bitmap.clone();
float_pic.attachBitmap(float_bmp, 0, "auto", true);
float_pic._alpha = 50;
gallery._y = 200;
////
var current:MovieClip;
var listener:Object = new Object();
var loader:MovieClipLoader = new MovieClipLoader();
loader.addListener(listener);
////
listener.onLoadInit = function(mc){
    var bmp:BitmapData = bitmap.clone();
    var container:MovieClip = mc._parent;
    container.attachBitmap(bmp, 10, "auto", true);
    bmp.draw(mc);
    mc.removeMovieClip();
    var id:Number = container.id;
    var horder:Number = (id+cols)%cols;
    horder = horder==0 ? cols-1 : horder-1
    var vorder:Number = Math.ceil(id/cols)-1;
    container._x = horder*img_width + hspace*horder;
    container._y = vorder*img_height + vspace*vorder;
    container.onRelease = function  () {
        float_bmp.draw(container);
        current._alpha = 100;
        container._alpha = 20;
        current = container;
        trace("Загружаем большую картинку с адреса "+container.big_url);
    }

    if (container.id < pics) {
        loadPic(container.id+1);
    } else {
        loader.removeListener(listener);
        delete listener;
        delete loader;
        delete bitmap;
    }
    trace("изображение "+container.id+"\nряд "+(vorder+1)+"\nстолбец "+(horder+1)+"\n")
}
////
function loadPic (counter:Number) {
    var img_url:String = "images/"+counter+".jpg";
    var big_url:String = "images/big/"+counter+".jpg";
    var container:MovieClip = gallery.createEmptyMovieClip("p"+counter, counter);
    var mc:MovieClip = container.createEmptyMovieClip("_mc",0);
    container.id = counter;
    container.big_url = big_url;
    loader.loadClip(img_url, mc);
}
////
loadPic(1);