Tigra for Kunena - Setup
Tigra has one layout option - there's no indented layout and don't think you're losing your mind for not finding toggle image (close/expand boxes), it was a design decision to remove them.
Modules for integration:
With Tigra for Kunena, you can style your forum in many different ways - these are just some of our suggestions, as seen on our demo sites.
Make sure you combine only module suffixes from the dropdown of your YT template (that is set as your default template) and tigra suffixes (applicable to all positions and all templates).