phpBB Media Embed PlugIn
https://www.phpbb.com/customise/db/exte … ediaembed/
Installation: Download and unzip the current release.
FTP: Upload the extracted package in to the ext directory of your phpBB board.]
Website: Navigate in the ACP to Customise -> Manage extensions.
Look for phpBB Media Embed under the Disabled Extensions list, and click its Enable link.
Set up and configure by navigating in the ACP to Posting -> Media Embed.