上傳到YOUTUBE
然後複製連結過來
比方下圖
<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/E7PNw1dKP40&hl=zh_TW&fs=1"></param><param name="allowFullScreen" value="true"></param><embed src="http://www.youtube.com/v/E7PNw1dKP40&hl=zh_TW&fs=1" type="application/x-shockwave-flash" allowfullscreen="true" width="425" height="344"></embed></object>