Yes, that’s all about to be out-of-date when 2.1 is finalized, see https://bbpress.org/forums/topic/bbpress-21-theme-compatibility
Hmm you are right. Submitted ticket, #1809.
Hmm, the only time I’ve ever really seen this issue is on imports from 1.x, though unfortunately I don’t have an answer on why it’s jacking up.
If you are on a development site, just for grin I’d try out 2.1 (currently in development) to see if that happens to iron out some of these weird issues.
Right now it’s not something that is easily done out of the box. It can definitely be done, but needs some plugins to accomplish.
It’s definitely on our radar though. See https://bbpress.trac.wordpress.org/ticket/1805
What version of bbPress are you using?
Hmm, that’s weird. What version of WP/bbPress are you running?
bbPress should work no matter what permalink structure you have WordPress set to use.
So the problem you’re saying is even though the Forum has 2 posts, they don’t show up for a “normal” member, right?
Sure.
The forums will be separate for each site, but will share user accounts.
If you go into your bbPress settings, I believe if you uncheck “Allow topic and reply revision logging” that should disable it.
Right now unfortunately you don’t have a lot of control over this, however it’s definitely something we are going to look at in 2.2.
If you are are running bbPress 2.x and are trying to install a theme, there is a 95% chance it is for bbPress 1.x and won’t work.
Double check that first.
At the moment there really aren’t any themes available for bbPress 2.x.
With the upcoming changes in bbP 2.1 on how themes are handles I expect this to change.
However, for the time being the only option is to just customize the theme that is included.
Put it in your theme’s style.css
I’m on the latest version of Chrome (OSX) and it looks fine.
http://sht.tl/okCbV
Not sure what to tell you, everything looks OK in chrome to me.
Are you on bbPress 2.x or 1.x?
If you are on 2.x do not use the plugins on bbPress.org, instead use WordPress.org
https://wordpress.org/extend/plugins/tags/bbpress
Put this in your theme’s style.css
.bbPress #content {
width: 67%;
}
You need to look at the CSS being applied to the #content. This looks more like a theme issue, not with bbPress.
I’d use Firebug or Chrome inspector to poke around. Specifically try changing the max-width to a set width.
As time passes everything is moving in the direction of bbPress 2.x, so this site will slowly progress to that as well.
You need to use Firebug or Chrome inspector to check out the CSS.
I’ve looked at things and it’s all simple conflicts that are happening due to the CSS that’s in place with you theme.
For example .hentry is being floated left which is screwing up the forum index.
You will want to put some tweaks in place (in your theme’s style.css). For example:
.bbp-forums .hentry {
float:none;
}
Hmm weird. Next I would deactivate all plugins except bbPress to make sure one isnt screwing with the loop or query vars.
Thanks for the report back 
