Have you tried to upload it to the photo gallery here?
Also, when creating a new thread or post, there is an icon up above the text entering area that is specifically created so that you can view vidoes hosted on a server. That icon looks like this ->
. Simply click that icon, and post the URL to the video between the EMBED prompts. It will not work for ALL video formats, but should work with the most common ones (WMV, AVI, MPG), I believe, but I haven't tested it with everything.....