Design Suite/Tutorials

List of useful websites for design

Raster image editing like Gimp

• Gimp Users
• Pat David blog: Useful guide for editing images in Gimp
• Gimp Magazine

Vector image editing like Inkscape

• Inkscape Course
• Inkscape tutorial blog
• 2D Game Art for Programmers

Desktop publishing like Scribus

• Scribus Video tutorials
• About.com Scribus Tutorials

3D modeling

• Blender Nation
• Blender Artists
• Blender Art Magazine

Animation

• Synfig Animation Studio Tutorials

Others

* About CMYK - Guideline for CMYK usage.
* How to set CMYK color on a design for printing - Internal link from Fedora Design wiki