It's only an unwritten convention in this community, but we generally don't appreciate threads along the lines of "Here's a 10-minute video. Discuss."
Say whatever it is you want to say. Don't expect for everyone to drop whatever they're doing to watch your video without any explanation. This applies especially if you plan on showing that you haven't read the FAQ within the first minute of your video.
Now, I've jumped around your video a bit after watching the first minute and it appears that your argument is along the lines of:
0) The sun is directly above the Equator during the equinox
1) The illuminated portion of the Earth would be precisely of the shape of a half-circle during the equinox
2) This would be very difficult to explain away
Of course, we know that 1) doesn't ever hold and 0) only holds in some models so the rest of the video seems a bit pointless.