You're looking for a texture pack, but not just any texture pack! You want one with different materials, natural ones and unnatural ones. Then this one is for you! This pack is the first of many texture packs to come!
Important note: You can get this texture pack for free when you subscribe to the Life to Legend newsletter.
24 unique textures both in 72 and 300 dpi.
Different types of wood and bark.
Different types of rocks.
Different types of sheet metal.