только свойство MORE_PHOTO. Его надо просто добавить в вывод компонента.
<?$APPLICATION->IncludeComponent("bitrix:catalog.element","",Array(
"IBLOCK_TYPE" => "xmlcatalog",
"IBLOCK_ID" => "8",
"ELEMENT_ID" => "$_REQUEST[\"ELEMENT_ID\"]",
"ELEMENT_CODE" => "",
"SECTION_ID" => "$_REQUEST[\"SECTION_ID\"]",
"SECTION_CODE" => "",
"SECTION_URL" => "section.php?IBLOCK_ID=#IBLOCK_ID#&SECTION_ID=#SECTION_ID#",
"DETAIL_URL" => "element.php?IBLOCK_ID=#IBLOCK_ID#&SECTION_ID=#SECTION_ID#&ELEMENT_ID=#ELEMENT_ID#",
"BASKET_URL" => "/personal/basket.php",
"ACTION_VARIABLE" => "action",
"PRODUCT_ID_VARIABLE" => "id",
"SECTION_ID_VARIABLE" => "SECTION_ID",
"META_KEYWORDS" => "-",
"META_DESCRIPTION" => "-",
"DISPLAY_PANEL" => "Y",
"SET_TITLE" => "Y",
"SET_STATUS_404" => "Y",
"ADD_SECTIONS_CHAIN" => "Y",
"PROPERTY_CODE" => Array("MORE_PHOTO"),
"PRICE_CODE" => Array(),
"USE_PRICE_COUNT" => "Y",
"SHOW_PRICE_COUNT" => "1",
"PRICE_VAT_INCLUDE" => "Y",
"PRICE_VAT_SHOW_VALUE" => "Y",
"LINK_IBLOCK_TYPE" => "",
"LINK_IBLOCK_ID" => "",
"LINK_PROPERTY_SID" => "",
"LINK_ELEMENTS_URL" => "link.php?PARENT_ELEMENT_ID=#ELEMENT_ID#",
"CACHE_TYPE" => "A",
"CACHE_TIME" => "3600"
),
);?>