Add an Instagram bbcode to a phpBB Forum
How to add an Instagram bbcode to your phpBB forum and allow picture and video embeds:
Add a Vine bbcode to a phpBB Forum
If you’re wanting to allow users of your phpBB forum to embed their Vines, here you go:
Add a Tweet BBcode to a phpBB Forum
I was looking for a way to embed a tweet into phpBB using the BBcode funcationality. I found a decent solution but edited it a tiny bit (to account for http vs https URLs).