Hey Tom,
I’d like to see your video too, but when I click on any of the links I just get a page with still image. Even when I press “play”, no video is playing 
If you can export it as .mp4 in the application that you obviously used, you can upload the file here with the “Upload” icon in the top bar of message composer window. E.g. like this:
Or can’t you simply upload the video to your webspace? Usually every person that has internet at home (DSL) also has some webspace for free, e.g. here is mine. I can upload videos to it and it is accessible freely to the WWW