Photo credit Joel Bedford via flickr
When shooting film, a green filter slapped on the camera and an unsharp mask in the darkroom could get you all the wonderful gritty badassery you could want from a portrait. Ever wondered how those ultra hard-edged portraits get made digitally? Wonder no more!
Though the tutorial was done on an older version of Photoshop, the steps remain pretty much unchanged through CS5.
Here's an older example of this technique that I did on my of my own mug. Like anything, it gets easier with practice and patience.