How to embed videos using TinyMCE

I'm working on Ruby on Rails 2.3.8 and I've installed开发者_如何学运维 TinyMCE (last version). For a start, it displays correctly on my website, but I found out it cannot show embedded videos. So, I googled for this, but no luck.

Does anybody knows how to accomplish this?

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The tinymce forum is your friend. There are many threads concerning video issues. Have a look at solutions there using the search phrase "youtube". Most approaches are using the media plugin.