How do I post a Youtube video?
The easiest way to embed a YouTube video into a blog post (or page) is to copy the video’s embed code and paste it into your blog post.
YouTube embed codes can be found next to any video on YouTube.com:

After you paste the code into your post and save the post, the video will be embedded for you. When you save your post, the embed code will also be automatically translated into a shorter, WordPress specific code that will look something like this:

You can move this code around your post to determine where the video should be shown.
You can embed multiple videos in a post.
Another way to embed a YouTube video is to copy the URL of a video, go to to the Add Media section of your write page (the page where you compose your blog posts), click on Add Video, paste the URL into the box, and click the Insert into Post button:

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On your blog, the video will show up like the one below.
