Ah yeah, that is true, I will have to look if I have the file somewhere. The fix would be selecting everything but the cauldrons and set white as alpha color.
You have to adjust the weapons so they match the position of the battler, because the hero is now not in the position it had before. Another way would be to add a fixed weapon into the SV Battler.
No. Keeping that updated is a nightmare and see it as a point where you can slightly feel how much time was put into these resources, as every single click and save was usually several hours of work for me. This question was asked so many times that is even there in the start post. In red.