PaulisDead2221 said:

You'd be surprised at what motion stabilization and proper color matching of sources can acccomplish. I think using the GOUT PWNAGE avisynth script, upconverted to 1080 lines of resolution would look just fine. I'm just speaking from experience, watching test encodes mixing 480p non-anamorphic and 1080 high def images. Especially when it will just be the cloud car element, put through a stabilization script, I think you can pull it off easy. Then again, maybe an entirely new fx shot is necessary.

I think that since the clouds need to be redone in one of the shots anyway, Adywan might as well just rebuild this whole shot from scratch.

The shot in question, for those lost:

The shot with the same clouds reversed: