Posting Photos and Other Attachments in a BuddyPress Forum?

I recently built a WordPress site based and am using BuddyPress for some interactive community functionality. Members are using the forums built into BuddyPress, but are looking for a way to attach or embed pictures in their posts. Is there any way to extend the BuddyPress forums to allow this, or are there existing plugins that allow this? Or, is there a better forum that can be integrated into WordPress?

And, since I can’t (yet) post multiple links, here’s two more answers in short succession.

For attachments, there’s:

http://buddypress.org/community/groups/forum-attachments-for-buddypress/