Textures in photoshop

Wood : choose two colours a light yellow and a dark brown
filter - render - fibres
play around with the strength
filter - liquify to make knots in the wood
image - adjust - variations for different looking woods

Stone : choose two colours grey and black
filter - render - clouds
channels - add new channel = alpha1
filter - render - clouds
image - adjust - contrast
RGB layer
filter - render - light effects
light directional
texture alpha1 max hight

Brush Steel : filter - add noise
filter - blur - motion blur
crop

Water : choose two colours light green and dark blue
filter - render - clouds
copy background
filter - render - clouds
filter - sketch - chrome
right click layer blending options