Black & White Clouds

I put an 80A blue filter on my telephoto lens and shot some pictures of the "puffy" clouds (cumulus) and I'm up in the studio roasting as it is so hot and having a "dry" studio on the top floor is also hot on the bright sunny days. But anyway, I'm playing around with the levels in PhotoShop and got these as a result. I like them and I also like what I can do with the greens and that filter in B&W. I really like the monotone and will do more of that, not only as technique, but as the images relate to content also.
Here are a bunch of the cloud shots.