Lightbox plugin for horizontal scrolling thumbnails?

Hello all,

I’m posting to see if anyone has any suggestions for a lightbox plugin that will work with a horizontally scrolling thumbnail gallery. I moved my html portfolio site to WordPress a few months ago, and thought I has settled on a solution but unfortunately, because the thumbnails slide horizontally, this seems to interfere with the centering of the larger image. Here’s an example:

http://www.mryczek.com/2013-2/

You have to scroll the page to the right and click on the rightmost thumbnail to see what I’m referring to – the large image opens way over to the left of where you click. I had a lightbox that worked perfectly before switching to WP but I figured what’s the point of migrating if I wasn’t going to substitute with a plugin and make things easier, and I also read that it’s much better to use a plugin than try to integrate a non-WP JS gallery…Any help would be appreciated, thanks very much!

Best,

_Mike