You can import any torrent file that points to a media file. You should make sure you have diffusion rights over the content it points to, otherwise it could cause legal trouble to yourself and your instance.
Put your instance on the public PeerTube index: <x id="START_LINK" ctype="x-a" equiv-text="<a href="https://instances.joinpeertube.org/instances">"/>https://instances.joinpeertube.org/instances<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>
If you want to open registrations, please decide what <x id="START_TAG_STRONG"/>your moderation rules<x id="CLOSE_TAG_STRONG"/> and <x id="START_TAG_STRONG"/>instance terms of service<x id="CLOSE_TAG_STRONG"/> are, as well as specify the categories and languages and your moderators speak. This way, you will help users to register on <x id="START_TAG_STRONG"/>the appropriate<x id="CLOSE_TAG_STRONG"/> PeerTube instance.
⚠️ If enabled, we recommend to use <x id="START_LINK" ctype="x-a" equiv-text="<a href="https://docs.joinpeertube.org/maintain-configuration?id=security">"/>a HTTP proxy<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/> to prevent private URL access from your PeerTube server