Great tutorial. It's interesting, you have a format that displays well in both DTube and Steemit. I've noticed the images are not rendering in the DTube description (which seems intentional, because that would be not clean to render).
Do you then edit the steemit post after you post on Dtube? (Although I think that might be a bad idea, it might screw with how it looks on DTube).
I prepare the DTube posts with Haroopad before I publish them.
The DTube description is a different one and it doesn't load images.