Yeah, this is using “custom” settings.
720×480
Square Pixels
30fps
Images used in the comp are also 720×480 Square Pixel .tgas (rendered out of 3DS Max).
Render settings are the same, with no stretching, scaling, or anything else. I just can’t get it to write out anything but .9 pixel aspect for these image sizes… interestingly, making the comp 720×481 makes it render correctly (square pixels).