[chrishajer]

This allows the admin to post anything: maybe looking at it would be useful:

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

Also, if you’re just interested in allowing video, this works fine:

http://www.naden.de/blog/bbvideo-bbpress-video-plugin

Users don’t even need to paste the embed code, just the URL to the video.