As this image suggests the Great Smoky Mountains are indeed smoky. This sunset view was taken from Clingmans Dome, which is the highest point in the Smoky Mountains and also the highest mountain in Tennessee and is on the Tennessee - North Carolina border. The photo was Actually taken on the south side of the summit in North Carolina.
Taken 10-17-11 Swain County, NC

Max Size: 29x45 REF # : TN-2504 R-3 D3X 70-200MM

Max Wallpaper Size (hgt x wide) is : 58x90 inches