Slums method looks interesting but I think getting the lighting correct could be hard? Dunno never really tried it, interesting technique tho. I would probably do the render sequence, or save out scene states. Then use a batch render que to manage each render job and send them one at a time or all at once.…
you can load a sequence of images as a animated texture in max i.e. difuse_0001.png difuse_0002.png difuse_0003.png ... just check that tick that says load as sequence or so when selecting the bitmap texture and with that simply render a animation with a similar output name, done! Just a small hint to the original poster:…