Thanks for the "how-to" info. I would like to try it out when I get a suitable image.
Thanks for your flattering comments about my pictures. I also like your Golden Gate series and the new abstract series of the house pictures very much. Keep the wonderful work up. Happy shooting and see you around :-)
I used the select -> color range tool in photoshop to select the red, then I inverted the selection and used channel mixer to convert to black and white. Thank you, I'm glad you like it; your landscapes are phenomenal!