My works on CG sites and 2D forums:

On forums or CG sites I use my nickname "Mr Kostek".
Here are links to this portfolios and forum threads: at Digart, at deviantArt, at CGHUB

Friends:
Grabarz Polski: Polish e-zin about horror.
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Resources:
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The best of the best:
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Varia:
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... and at the end my sketchbook blog:
thinking in pencil.
I'll hope with daily update.