Its ridiculously difficult in maya, but then, what do you expect for a measly 7000 bucks
As i recall from a maya class I took some time ago, it had something to do with making a plane which had the image on it, but you had to do something tricky with the camera.
As a blenderhead, it seemed like a pretty dumb way to do it compared to blenders method of clicking 'set background image'.
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