Thanks Don. This is really weird because I thought that is exactly what I had been doing - the same as using a mask with any other filter. But this time, it did work with the texture filter whereas it had not before. I wish I knew what I had done differently. Duh!
Don I wish there was a masking tutorial that made was and made sense. I hate it now that Photo FX is no longer supported, I love the masking abilities in that part of the software. Personally I think Studio 2 isn’t cutting the mustard.