I tried posting yesterday but I got a security error. I made another video today and tried posting, but got same error. Any ideas?
You should be just posting a link to YouTube. or a similar type site where the video is hosted... I would imagine an actual video would be way too big a file. If we start hosting videos then it will eat up all our accessible memory in a big hurry on the server, so it's best just to link to a site that has it hosted.