bbPress.org

These folders do not exist:

http://roadtoanimation.com/forums/my-plugins/

http://roadtoanimation.com/forums/my-templates/

These do:

http://roadtoanimation.com/forums/bb-plugins/

http://roadtoanimation.com/forums/bb-templates/

(BTW, you should turn off directory indexes by putting this in your .htaccess:

Options -Indexes )

Since that server appears to be running Apache/Linux, the directory names are case sensitive. Are you sure they’re lowercase? Also, using hyphens, not underscores? Can you take a screenshot of the directory listing, using a shell or FTP, and post a link to that? Or, find someone local who you trust that can log in and check this out for you.