i will agree with you about G2, I've been a longtime Gallery user for years (actually just took the plunge to upgrade my G1 to G2 several months ago at
www.corthell.net).
If you want a demo on how to make the UBB look like a real gallery, check out my "Elite Web Gamers" link in my signature. I have several "sub galleries" setup as a demo.
As for how they present in the UBB Gallery, we have a gallery forum here at UBBCentral which shows how items are layed out