A few nice photo software images I found:
Seattle Underground 09
Image by Stephen A. Wolfe
Nikon D700; AF Nikkor 50mm f/1.4; exposure: 1/25 sec @ f/8, ISO 6400; post-processing: Adobe Camera Raw, Apple Aperture 3, and Nik Software Silver Efex Pro
Seattle Underground 06
Image by Stephen A. Wolfe
Nikon D700; AF Nikkor 50mm f/1.4; exposure: 1/100 sec @ f/8, ISO 5000; post-processing: Adobe Camera Raw, Apple Aperture 3, and Nik Software Silver Efex Pro