Re: Theme not working!!!
Don’t worry about Deep Integration. If you don’t know it, you’ve not got it, and that makes life easier 
If you can’t load the stylesheet of the theme you want to use in your browser (and therefore independant of both wordpress and bbpress – as you’re essentially just loading a text file from a server), then that’ll be the issue.
Activating the theme you’re after would be great, as would telling us what folder it’s in and what it’s called