ok,you go in youtobe to a video
in that page ,up 你 can see
link.
你 click there with 老鼠, 鼠标 and choose 'copy'than u get back in 潮流粉丝俱乐部 and click 'Embed a video'
there is: url:and 你 click 'paste'...than Embed and the video is there
if this was an answer 你 click 'submit new response'and it's over
i told 你 how can u post a video for an answer 或者 question...maybe i didn't explain it good but i hope 你 got it.