It looks like yes. This was something that I had requested some time ago and it looks like it's in full effect now. At the point in which we requested that it be taken away they were being heavily abused. That has subsided, but I think that most of you can post without the use of images.
If images are no longer allowed, why in the world would video be allowed?
Youtube posting is good, but the occasional image is not. Weird logic.
Videos are often supplemental to discussion and can be discussion pieces on their own right. Images more often than not only serve to supplement reactions. A prime example would be rage faces and memes. It's the start of the week and it's something I'll look into.