External Graphic Resizing

Here is my code. It displays the image fine, but it doesnt resize it correctly. Anybody know what the problem could be?


for (k=0; k<files.length; k++) {
	file_mc.duplicateMovieClip("file"+k+"_mc", k+100);
	row = Math.floor(k/3);
	column = (k+1)-(3*row);
	_root["file"+k+"_mc"]._y = (row*125)+25;
	_root["file"+k+"_mc"]._x = (column*125)+50;
	_root["file"+k+"_mc"].file_txt.text = files[k];
	_root["file"+k+"_mc"].picture_mc.loadMovie("http://www.jmumm.net/heather/pictures/"+files[k]);
	_root["file"+k+"_mc"].picture_mc._width = 100;
	_root["file"+k+"_mc"].picture_mc._height = 100;
		}