possible seemless order by created bug?
Using Jamroom
Try listing without the numerical_ in the order_by...
<div class="item photosearch"><h3><a href="{$jamroom_url}/gallery">Uploaded Photos</a> <a href="{$jamroom_url}/flickr">Flickr Photos</a></h3></div>
{jrSeamless_list modules="jrFlickr,jrGallery" pagebreak="16" pager=true order_by="_created desc" template="newest_galleries.tpl" page=$_post.p}