Olá Dif!
Seria aqui?
<div class="offer_gallery"><div class="gallery_images"><div id="gallery_images"><?phpforeach ($images as $image_id => $image) {?><div class="gallery_image_item"><?php echo wp_get_attachment_image($image->ID, 'detail_barco'); ?><a href="<?php echo wp_get_attachment_url($image->ID); ?>" data-rel="prettyPhoto[gal]"><span><em class="ico_large"></em></span></a></div><?php}?></div></div><div class="gallery_thumbs"><div id="gallery_thumbs"><?phpforeach ($images as $image_id => $image) {?><a href="#"><?php echo wp_get_attachment_image($image->ID, 'thumb_detail'); ?></a><?php}?></div><a href="#" class="prev" id="gallery_thumbs_prev"></a><a href="#" class="next" id="gallery_thumbs_next"></a></div><script>jQuery(document).ready(function($) {function carGalleryInit() {$('#gallery_thumbs').children().each(function(i) {$(this).addClass('itm' + i);$(this).click(function() {$('#gallery_images').trigger('slideTo', [i, 0, true]);$('#gallery_thumbs a').removeClass('selected');$(this).addClass('selected');return false;});});$('#gallery_thumbs a.itm0').addClass('selected');$('#gallery_images').carouFredSel({infinite: false,circular: false,auto: false,width: '100%',scroll: {items: 1,fx: "crossfade"}});$('#gallery_thumbs').carouFredSel({prev: "#gallery_thumbs_prev",next: "#gallery_thumbs_next",infinite: false,circular: false,auto: false,width: '100%',scroll: {items: 1}});}$(window).load(function() {carGalleryInit();});var resizeTimer;$(window).resize(function() {clearTimeout(resizeTimer);resizeTimer = setTimeout(carGalleryInit, 100);});});</script>