That's the module :)
You'll need to write the styles / html to format it nicely on the page.
You gotta admit, 'L' is probably a bit perplexing. ;)
Any chance of usable search functionality anytime soon?
Fixed the L issue (ha didn't even notice it!) (https://github.com/silverstripe/silverstripe-forum/commit/255b60ccc442dc8f93d4275ea54eb0682308ad9b)
The module hasn't had a good work through in 3.1 yet so issues like this haven't been resolved. Will be aiming to release a 1.0 stable version once 3.1 is released.