Graphic

Graphic
HowDesign.com
ColourLovers.com
bashooka.com
GameArtOutSourcing.com
FreeGameAssets.blogspot.dk
PixelArtus.com
GameUI.tumblr.com
MobileGameGraphics.com
Kenney.nl

Articles about Graphic
Making 'Two and a half D' art for Lovers in a Dangerous Spacetime [AsteroidBase]
Teach Yourself Graphic Design: A Self-Study Course Outline [PSD.TutsPlus]
Betting on style with Saltsman and Wohlwend's Hundreds [Gamasutra]
5 tips for making great animations for 2D games [Gamasutra]
Is Dots the first contemporary art game? [DanPorter]
Tips for Designing for Colorblind Users [DesignShack]
The Aesthetics of Game Art and Game Design [Gamasutra]
The Art Of Braid: Creating A Visual Identity For An Unusual Game [Gamasutra]

Collections about Graphics
HUGE list of Tutorials from /r/PixelArt [Reddit]
50 Totally Free Lessons in Graphic Design Theory [Tuts+]
List of Game Art Related Gumroad Tutorials / Resources / References / Misc

Tutorials about Pixel Art
Pixel Art Tutorials [gas13.ru]
Russell Tate - Pixel This: How to draw with pixels [iStockPhoto]
Pixel Art Tutorials [PetesQBSite]
Derek Yu - The Pixel Tutorial [MakeGames.tumblr.com]
Mark's Pixel Art Tutorials [Natomic]
Drububu's Pixel Art Tutorial [Drububu]
Sue Chastain - Rose Covered Cottage Tutorial [GraphicsSoft.about.com]
Android Arts' Pixel Art Tutorial [AndroidArts]

Articles about Pixel Art

Tools Pixel Art
dunin.itch.io/ptop

Articles about Minimalism/Minimalist Art
UnderstandingMinimalism.com [Web]