3D tutorials for various 3D programs. 3D Models and 3D Textures are also available. A pretty good mixture of all things 3D.
One of the biggest and most popular dedicated online texture libraries in the world.
CGTextures strives to be the world’s best texture site, supplying good-quality textures in an organized manner.
A Photoshop plugin for creating a wide variety of realistic and abstract textures and effects.
They are not professional photographers, but put all their efforts into taking better pictures.