I work with Brad and Dave Truxell often on photo opportunities. They're talented photographers, who help me improve my skill every time we talk, compare notes, and shoot together. The list of artist blogs below includes Brad's, Dave's and other photographer's sites I check almost daily. These artist create some amazing work. Some of them are local to Pittsburgh, a few are widely followed.
Brad Truxell - http://www.somethinghdr.com/
David Truxell: http://www.flickriver.com/photos/36007640@N07/
Jay Cassidy - http://instagram.com/jaycass84/
The Master Trey Ratcliff - http://www.stuckincustoms.com/
Scott Kelby - http://scottkelby.com/
Jimmy McIntyre: http://www.throughstrangelenses.com/