Is there a size limit on alpha mp4 videos?
Also like I said in your other question, Alpha Video also has to respect some parameters that you can find through this article:
And also I suggest that you read the full article/tutorial about it!
Hope you also gotcha this one!
Thanks for that higor , I did follow this tutorial and successfully made an alpha video zap that works great.
I found though that the server was a bit touchy and on a few attempts would not allow my video to be uploaded. It was telling me the file type was not supported although I was useing the correct file type, when I tried again the next day with the same file it did work.