Gaffer result
Please find the inputs into the following scene here:
Gaffer Script : http://bit.ly/gafferbot-castle
Alembic Camera http://bit.ly/castle-camera tracked at 24 fps
Quicktime Movie at 30fps http://bit.ly/castle_plate I would rip to frames and treat at 24fps
Lat Long HDRi Light Probe http://bit.ly/castle-HDR-kognat
To get the software head here http://www.gafferhq.org/