Well, we have previously tried some similar photo galleries and integrated them with joomla, WP and a few other CMS and other bb softwares(not vB)
You could try:
4 Images -
http://www.4homepages.de/
Gallery -
http://gallery.menalto.com/
ZenPhoto -
http://www.zenphoto.org/
Piwigo -
http://piwigo.org/
Shutter -
http://shutter.tenfourzero.net/
Pixelpost -
http://www.pixelpost.org/
phpAlbum -
http://www.phpalbum.net/
But among all of them "Coppermine Photo Gallery" was the best for us.
However, currently we are using this simple mod -
https://vborg.vbsupport.ru/showthread.php?t=237931
I'm not sure if you already knew about it, but its lite, has the basic stuff and pretty decent, you could give it a try if you like.