Click "Share" option of your YouTube video.

Click Embed, and copy the link

Now, post a new message/report. Click "Source" button at the editor.

Paste the link you just copied from youtube

Once you have pasted the link, click "Source" button again. You shoul dsee a rectanglar box iFRAME. At this stage, you cannot view your video just yet.

You are now ready to post your message. Your YouTube video will appear (embedded)
