freebies: commercial use textures
These are all assorted textures available at freepik.com, all they ask is you credit the author to be able to use the images commercially, and they give you a link below the image on their page to info on how to do that.
Tree Trunk Bark, get full size jpg here: download
Turquoise Wood Planks, get full size jpg here: download
Pink Wall Texture, get full size jpg here: download
Wooden Floor, get full size jpg here: download
Watercolor background, get full size jpg here: download
Free textile texture, get full size jpg here: download
Free wood wall texture, get full size jpg here: download