@all make sure video is public which you embed other wise it will be not visible to people. Secondly use this code [FACEBOOK ] [ /FACEBOOK]....... button is in advance reply
<iframe name="fb_xdm_frame_http" frameborder="0" allowtransparency="true" scrolling="no" id="fb_xdm_frame_http" aria-hidden="true" title="Facebook Cross Domain Communication Frame" tab-index="-1" src="http://static.ak.facebook.com/connect/xd_arbiter.php?version=40#channel=f2d78fbbe&origin=http%3A%2F%2Fwww.pakwheels.com" style="border: none;"></iframe><iframe name="fb_xdm_frame_https" frameborder="0" allowtransparency="true" scrolling="no" id="fb_xdm_frame_https" aria-hidden="true" title="Facebook Cross Domain Communication Frame" tab-index="-1" src="https://s-static.ak.facebook.com/connect/xd_arbiter.php?version=40#channel=f2d78fbbe&origin=http%3A%2F%2Fwww.pakwheels.com" style="border: none;"></iframe>