Danbooru-based image board with a specialization in high-quality images.
black_rock_shooter dead_master horns tsuchiya_akira vocaloid

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I really like this artist's style, does anyone know what he/she uses to create her/his art?
Check the source: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=12768561

The tool is SAI if you mean this.

(If you are asking this texture effect, maybe recmopressing a image with jpeg 20% quality will work.. fff)