Danylo,
Thanks for your fast response.

One thing I want to make sure I understand:
If all opacity masks are black, "the first layer will be used". Is the first layer the first on the list, the closest to the viewer, or the farthest from the viewer. I am assuming that it is the first file on the ...

I have been attempting to use opacity masks and I have some questions which aren't directly addressed in the help files. Can anyone help?
1. Are the opacity masks sized with respect to the orginal photo they mask, or to the the final result. If I want to edit an opacity mask with the corresponding ...