Замени[CODE]foreach ($arResult["PROPERTIES"]['MORE_PHOTO']['VALUE'] as $key => $arProperty_foto){
$renderImage = CFile::ResizeImageGet($arProperty_foto, Array("width" => "400", "height" => "400"));
$fotka = CFile::ShowImage($renderImage['src'], $newWidth, $newHeight,"", true);
$podpis = $arResult["PROPERTIES"]['MORE_PHOTO']['DESCRIPTION'][$key];
$mycount += 1;
echo '<div id="shag"><b>Шаг '.$mycount.'</b>';
echo ''.$podpis.'</div>';
echo '<div id="shag2">'.$fotka.'</div></br></br>';
}[/CODE]