[Plugin: bbpress] Display topics index on Forums main page

[project_subdomain]

Hi,

I’d like to have all topics shown on the main Forums page. This is not by default which I suppose it should, right?!

This is what I’ve already tried unsuccessfully (tips from bbpress-forum posts):
– setting up the forums page with the index-shortcode (with different name and permalink from the settings’ root name)
-creating a duplicate of my theme’s “page.php” (and alternatively “fullwidth.php”) and renamed it bbpress.php -> lack of formatting
-creating a duplicate of bbpress.php -> site is gone white
In all cases no topic index appeared.

I’m using a child theme of twenty twelve (where I did very few changes) and having a duplicate of the plugin’s “bbpress.css” in the child’s theme css-file.

Thanks for helping!