Here is the tag I used to have a preview image on my remotely served flv file.

{flvremote}tricastvideo.com/images/stories/videos/dispute.flv&image=http://www.tricastvideo.com/images/stories/videos/dispute.jpg{/flvremote}


Here is the tag I used to have a preview image on my remotely served mp4 file.
(This one doesn't work)

{mp4remote}tricastvideo.com/images/stories/videos/montage.mp4&image=http://www.tricastvideo.com/images/stories/videos/montage.jpg{/mp4remote}

This is the link to the page:  www.tricastvideo.com/special-fx/testing
Any ideas or suggestions?
Thanks in advance.