Довести до ума слайдер.

$arSelect = array(
   'ID', 
   'IBLOCK_ID',
   'PROPERTY_MORE_PHOTO',
   'PREVIEW_PICTURE',
   'DETAIL_PICTURE'
   );

    foreach ($arResult["SECTIONS"] as &$arSection) {
        $rsPhotoElements = CIBlockElement::GetList(array("SORT" => "ASC", "NAME" => "ASC"), 
        array("IBLOCK_ID" => $arParams["IBLOCK_ID"], 
        "SECTION_ID" => $arSection["ID"], "ACTIVE" => "Y"), 
        false, false, $arSelect);
        $i = 4;
        while ($i && $arElement = $rsPhotoElements->GetNext()) {
            $photo = CFile::ResizeImageGet($arElement["DETAIL_PICTURE"], array('width'=>200, 'height'=>180), BX_RESIZE_IMAGE_PROPORTIONAL);
            $arElement["PREVIEW_PICTURE"] = $photo['src'];
            $arElement["DETAIL_PICTURE"] = CFile::GetFileArray($arElement["DETAIL_PICTURE"]);
            $arElement["PROPERTY_IMAGES"] = CFile::GetFileArray($arElement["PROPERTY_IMAGES"]);
            $arSection["ELEMENTS"][] = $arElement;
            $i--;
        }
    }

<div class = "fancybox_slider" id = "slider_images">
<div class = "slidersix">
<div>
<?foreach ($arResult["SECTIONS"] as $arSection) {?>
        <?if ($arSection["ELEMENTS"]) {?>
            <?foreach ($arSection["ELEMENTS"] as $arItem) {?>
                  <img src="<?=$arItem["PREVIEW_PICTURE"]?>">
            <?}?>
       <?}?>
<?}?>
</div>
</div>
<div class = "slider">
<?foreach ($arResult["SECTIONS"] as $arSection) {?>
        <?if ($arSection["ELEMENTS"]) {?>
            <?foreach ($arSection["ELEMENTS"] as $arItem) {?>
                  <div><img src="<?=CFile::GetPath($arItem["PROPERTY_IMAGES_VALUE"])?>"></div>
            <?}?>
       <?}?>
<?}?>
</div>
</div>