Unless you're making something that animates there is no value in showing me a video in fact - as a prop artist if the only thing you're showing me is a video you are actively hurting your chance of being interviewed because i will not be able to assess your work properly. Large clear images are what you need to show off…
If you want to work in games, then ideally you would make assets that will be shown in a game engine, and would work in a game. Environment art in game development is a great option, lots to learn and achieve. A demo reel is less used in game development, as people tend to have less patience and don't want to wait even a…