Looking to make your render more photo-realistic? Try adding Normal Maps to your textures! If you don't know what a Normal Map is, or how to create one in Photoshop read on...
Creating Normal Maps in Photoshop
Open your texture in Photoshop, and crop it to the Texture Repeat (if it's not repeated already)
Go to Filter > 3D > Generate Normal Map
Adjust the Blur and Scale
Check your work by changing the Object
Save your Normal Map: File > Save as > JPG
*Normally I just save my Normal Map with the same name as the texture_NRM
Then, it's ready for use in CLO! Check out more info on adding the Normal Map to your Fabric HERE.