In order to give you, the Administrator, full 
power over how your board’s text is formatted, we have made this extension. This way you can easily enable / disable any “s9e Textformatter” plugin and optimise your custom BBCodes.
First, let me say I really appreciate this extension - it’s far more versatile than the official phpBB media embed extension.
That said, how can I add a site that’s not included?
How to add sites?
How to add sites?
We are just providing the facility to use some of the s9e libraries.
That’s the scope of this extension. 
Honour and respect to all the Healthcare Heroes. 