You can embed a bunch of different kinds of things in here, not just videos. You can try and see if something works just by pasting the link in your status. A lot of things work that you wouldn’t normally think of, like this thing (that worked before and will work again!):

xkcd: The Problem with Wikipedia

(“,)

Or

I know you're there

(“,)

Or

@yeouch
d3ft punkYou know, no matter how stupid it would be, if it was possible, somebody would try and deep-fry a zombie.
Jun 09 10 via Twitter for iPhoneFavoriteRetweetReply

If you can find it on this page you can put it in a post. Have fun trying to get this crazy thing to work.