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" 
	),
);?>