[chrishajer]

You can do those things with plugins.

Images:

https://bbpress.org/plugins/topic/allow-images/

Admin can post anything (like video):

https://bbpress.org/plugins/topic/admin-can-post-anything/

Attachments:

https://bbpress.org/plugins/topic/bb-attachments/

Look around, search the forum, you’ll probably find people have already asked about the things you’re asking about.