Choices unable to render the background image

gistfile1.txt

    private function redraw()
    {
        ....
        if (baseImgSrc != null)
        {
            _bmp.bitmapData = Assets.getBitmapData(_baseImgSrc);
            _bmp.visible = true;
            _bmp.width = totalWidth + (padding * 2);
            _bmp.height = totalHeight + (padding * 2);
        }
        else
        {
            _bmp.visible = false;
            graphics.beginFill(backColor);
            graphics.drawRect(0, 0, totalWidth + (padding * 2), totalHeight + (padding * 2));
        }
    }