Here's how to link and embed a video from YouTube (other video hosting sites are very similar):

You'll need to join YouTube (or another video hosting sight) to upload a video to your "channel":

http://www.wikihow.com/Make-a-YouTube-Account

Once uploaded, find your video and below it should be a "share" link... click on it:

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You can copy and paste this link into your post here on Koiphen:

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To embed the video just find the "embed" link and click on it, then copy and paste it to your post and
readers will be able to watch the video in your post without leaving Koiphen:

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