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Once you’ve set that option, you can scroll down to the bottom. Click Insert to embed the video into your content.
Placing Video Links within Content
If you already know the URL for the YouTube Video you wish to embed, you can add it directly to the content yourself. When selecting the Add Content button, click Media instead of YouTube Video.
A window will then open allowing you to Paste the URL as well as a description of the video being linked. 
When you have provided all the needed information, click "Insert". This will embed the video into your content. (Note: If the video in question has settings that prevent embedding, these features will only provide a link instead.)
Linking Videos Directly
Sometimes you may not be able to use the Mashup search to add the video. You may be sharing one of your own unlisted videos, a video published with settings that prevent embedding, or you may just find it more convenient since you've already located the video that you want. If this is the case, you can directly link the video.
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