Don’t expect this as long as BBpress has no template thingy like WP has. At least I think…
Currently, bbPress doesn’t have any facilities for downloading templates, but if you search through this forum, I believe there are a couple of users that have released some templates for download.
In the meantime, you can check out the following for doing some templates of your own:
The goal in later versions of bbPress is to integrate a template system much like WP and possibly even have the ability to use WP templates, but that is not in the immediate future.
Few other sites provide the themes for BBPress
here is a such
Awful spammy to bump a 5 year old topic. Closing.