Tim Grey ~ Digital Imaging Expert Sign up for Tim’s eNewsletters or Tim Grey’s Blog ~ Thoughts on Photograghy, Digital Imaging and Travel Tim offers digital photo workshops on various topics in a variety of locations.
Online Magazine of Rocky Mountain Nature Photographer ~ RMNP this site is organized as a forum, members post images for comments and critiques. Members are friendly, talented and forthcoming with c and c.
Kelby One ~ NAPP has become Kelby One – Learn from Scott Kelby and the World’s Best Instructors
Wedding & Portrait Photographers ~ WPPI a trade organization and forum for wedding & portrait photographers.
Nature and Photography ~ Rob Sheppard Rob holds workshops on photography and writes a very good photo blog.
Colorado Captures ~ Mike Berenson
Creative Live – They offer excellent courses, that may either be watched live for free, or you can pay to download them later. Many excellent instructors as well, Lindsay Adler, Tony Corbell, Mark Wallace, etc.