If we wanted to directly post someone else's tweet in one of the forums, how do we do it so the tweet shows up right in the post without having to click on a hyperlink?

Example: if I wanted to post KRYPTON actor Cameron Cuffe's photo tweet of him meeting SUPERMAN RETURNS actor Brandon Routh at SDCC2018 in the Superman forums, how do I post it directly?

I've seen others do it, like in the Aquaman Appreciation thread very recently. Just don't know how to do it direct like that myself.

Please advise.