Texture

Wood

• Select two colours which have a woodish colour  i.e Yellow and brown colour (fore colour and back ground)
• Render > Fibers 
• use liquify to add notch s and small details
• Image > adjust >  variations ( To change it into different types of wood, more red-ish or brown ect)

Stone 

• Select two colours related to stone ( gray scale)
• Filter > render > clouds
• Go into channel and create a new channel alpha1
• Filter > render > clouds 
• adjust contrast
• tun on rgb 
• filter > render > lighting effects
• Then adjust the bar at the bottom. 

Brushed steel

• Filter noise(made it fairly strong) 
• Filter blur motion blur
• play with the percentage of blur

Water

• Chose two colours related to water
• Filter > render > clouds 
• copy back ground
• filter > render > clouds
• filter > sketch > chrome 
• right click layer and blending options 
• experiment with the blending options