Hi, welcome.
This is my rules to use my stock:
:bulletred: If you download, please fav it.
:bulletred: Be creative. Do not do minime changes as hue, variations, light, constrast, etc.,
:bulletgreen: Have fun.
:bulletred: Note me, credit me, link back to mater-tenebrarum (https://www.deviantart.com/mater-tenebrarum) (:dev mater-tenebrarum: without the space).