[Plugin: NextGEN Gallery] Centering vertical pics in slideshow

Hi!

I’ve figured out how to size the slideshow to fit my blog design – thanks for the code in your FAQ.

The horizontal photos look great, but the vertical pics are aligning left. Is there a way to get them to center?

This link has a picture of what’s happening
http://yousend.it/I2lVRs

Thanks!
Paula

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