:bulletblack:FAQ #217: https://help.deviantart.com/217 - What are "Stock and Resources" and can I use them in my submissions?
:bulletblack:FAQ #157: https://help.deviantart.com/157 - Can I use things created by other people in my submissions?
:bulletwhite:Images in my stock account are free to use on DA. No previous authorization required if you use them for non commercial purposes. Also be sure to follow the DA policies regarding Abuse and Exploits, Permission and Unacceptable content.
:bulletwhite:The use of images that will be displayed on websites, other than DeviantArt, requires my previous authorization.
:bulletwhite:Either ways, you must give me the credits and provide me a link to your work.
Many thanks and good work!