[chrishajer]

Not for the bbPress forum as far as I know. There are lots of picture galleries available for blogs like WordPress:

http://www.google.com/search?q=wordpress+photo+gallery+plugin

(which integrates nicely with bbPress) and even standalone photo galleries:

http://www.google.com/search?q=php+photo+gallery

I don’t know of a plugin for bbPress so I think you’ll be integrating something else into your website.