[Plugin: NextGEN Gallery] Images display incorrectly when looking in picture list mode

If you go here:
http://2000grand.com/about/gallery/third-floor-event-space/

And click on “Show Picture List”, at first, the images display correctly, but when you get to the second page of thumbnails, and you click on one of the thumbnails, it displays a page where all the thumbnails are mashed against each other in one big column, like this:

http://2000grand.com/index.php?callback=ngg-ajax&p=892&galleryid=14&type=gallery&pid=138

Does it have to do with the amount of thumbnails displayed per page? Can someone help me troubleshoot?

Thanks!

http://wordpress.org/extend/plugins/nextgen-gallery/