By adding another Mix Shader to any of the slots, you can blend even
more Nodes in a material. The same applies to the Shader Editor, where
you can add more Mix Shader Nodes or duplicate an existing Node with
the SHIFT+D keys to compose more complex materials.
5.3 Using image textures
Using the Shaders alone won't produce realistic results for some
surfaces, where an image texture is the best choice. To add an image
texture to any material, use a Node called "Image Texture."
Info: From this point forward, we will use mainly the Shader Editor to
craft materials. But, you will get the same results with the Material tab.
To add the Node to the material, press the SHIFT+A key, or use the Add
menu in the Shader Editor. Go to the Texture group and choose Image
Texture (Figure 5.9).
Figure 5.9 - Image Texture
You will click on the "Open" button to pick an image file from your hard
drive or a local network from the Node. After opening a texture file,