Premium links worth gold

Premium Tutorials/DVD sites
http://conceptart.blog.com/
http://www.digitalarttutorials.com
http://conceptrobots.blogspot.com/

Concept art blogs
http://www.zoran-art.com/
http://conceptartworld.com
http://theconceptartblog.com/
http://conceptships.blogspot.com/
http://www.blogtoplist.com/rss/concept-art.html
http://danielchengart.blogspot.com/
http://conceptartworld.com/?p=2517

Sketch/art blogs
http://blog.feral-kid.com/

Collage
http://www.noupe.com/inspiration/50-unusual-examples-of-concept-art.html

Photography
http://www.adamelmakias.com/

Linksources
http://pwlawrence.com/wordpress/?p=664