Displaying RSS from specific bbpress topic, ect

Hello there!
Its been hours hours of research so thought Id ask for advice. What Im trying to do is to use some way, perderably throght a widgets, to display recent topics or threads on my right sidebar from bbpress/ Ive tried adding both atom and links to the native rss widg but keep getting error prompts,any suggestiond would be greatly apptrciatd/

http://www.linkedf2f.com