You might try right clicking over the image and a menu will offer you the option to "Block This Element" or something like that... and it should take it away.
That fixed it for me.
So far.
Ok, I finally got it figured out, I think. For some reason Brave's not working properly. Javascript is where the problem is. If I turn off Braves shield features, the video will play. If I turn on Braves shield features, the video wont play, but javascript doesnt work. I reported the problem to Brave and we'll see what happens.
