СДЕЛАТЬ ВОТЕРМАРК

$arFilters = Array(array("name" => "watermark", "position" => "center", "size"=>array('width' => 50, 'height' => 50), 'type'=>'image', "file"=>$_SERVER['DOCUMENT_ROOT']."/images/logo-transparent.png"));
foreach($arResult['PROPERTIES']['PHOTO']['VALUE'] as $key=>$pic){
	$arResult['PROPERTIES']['PHOTO']['VALUE'][$key] = CFile::ResizeImageGet($pic, Array('width'=>455, 'height'=>315), BX_RESIZE_IMAGE_EXACT, true, $arFilters);
}