Hi Herman,

>Usually I only use MS Paints. Try to do this step:
>- Open the BMP file
>- On "Image" menu, select "Attributes"
>- On "Attributes" dialog, select "Black and white" colors, OK.
>- Select "Yes" on the warning dialog
>- Press Ctrl-Z
>- Save As to "whatever" with monochrome bitmap
>- Rename the saved file to "YourBMP.MSK"

You mean you only use "Visual Paint"<g>?

Thanks for those tips. Now if I can just muster the energy to do this 200+ times ... and not screw up!

I'm going to continue looking for a command line utility that does this automatically.

As usual, thanks for your help!

Malcolm