If I didn't know any better, I'd say there's some guy spamming the galleries with "pencil drawings" via some filter based technique. (One after another based on a celebrity or model pic with ridiculously consistent hatching patterns and shading key. Doesn't seem humanly possible to me. I will admit the results look nice, even though I don't believe they're really 100% hand drawn. And even it takes a bit of work in PhotoShop to touch-up properly.)

I wont name names though. :P

If you're daring enough to take a guess as to who it is and ask, there's a chance you might get some good settings to go on. But then again, the person might get mad too.

(And I'll also admit it's quite tempting to take a side-wager as to whether that person can produce a video of the entire drawing process. Yeah, I'm rotten like that. But prove my suspicions wrong.)

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Barbequed Pixels?

Your friendly neighborhood Wings3D nut.
Also feel free to browse my freebies at ShareCG.
There might be something worth downloading.