Proportionate full flash page

alright… so i have

Stage.align = “LT”;

Stage.scaleMode = “noScale”;
stageListener = new Object();
stageListener.onResize = formatStage();

stageListener.onResize();
function formatStage() {

mainloader_mc._width = Stage.width;
mainloader_mc._height = Stage.height;

}
Stage.addListener(stageListener);

it isn’t quite working but i had it resizing… so i’m not too worried about that… but what i don’tknow how to do is keep the pictures in the movieclip proportionate no matter what shape the window is in… thanks