License

You may not sell or distribute any of these textures, use of these textures is only allowed under the following conditions:

Private or commercial use in 2D or 3D computer graphics and printed media.
Incorporation in computer games, 3D models.
Selling 3D models bundled with modified versions of the textures is allowed.

It is not allowed to sell or distribute any of these textures (either separate or in the form of texture packs.)

No mass downloading is allowed.
Tutorials and features may not be reproduced partly or fully in any form without prior permission of CGTextures

Any of these conditions can be waived if you get permission from the copyright holder (http://www.cgtextures.com).

All textures are photographed by myself, but CGTextures cannot be held responsible for damage caused by copyright infringement.
Somebody has designed and might have a copyright on for example the stickers, logos and street signs that I photographed.The use of any of these more graphical/manmade textures is at your own discretion.

Method don't you need to do the 4-stages for textures in an engine like Quake 4's (diffuse, specular, bump, normal, etc.) for them too look good in game with the ones you get from that site