2011-03-25, 10:22 PM
I don't know why MyBB do not use new youtube embed code by default, but you can edit the embed code manually.
AdminCP -> Templates & Style -> Templates -> [Choose your theme] -> Ungrouped Templates -> video_youtube_embed
Replace the current code with this one:
It's just a simple code. There are also some other options that you can find them by clicking on the "Embed" button located below each youtube video in Youtube.com!
AdminCP -> Templates & Style -> Templates -> [Choose your theme] -> Ungrouped Templates -> video_youtube_embed
Replace the current code with this one:
<iframe title="YouTube video player" width="480" height="390" src="http://www.youtube.com/embed/{$id}" frameborder="0" allowfullscreen></iframe>
It's just a simple code. There are also some other options that you can find them by clicking on the "Embed" button located below each youtube video in Youtube.com!