In NextGEN Gallery 2.0 we made it very easy to customize thumbnails beyond your default settings.
Not only that - but we made it so you can change them on the fly on any post or page per gallery inclusion.
That means if you want one gallery displayed two times on one page it can be done easily and they can both look different.
Check it out
This is one of the great new features of NextGEN Gallery 2.0 and we can't wait for you to see what else is in the works.
See more at Your Galleries, Any Size, Any Way.