Hey Hive account@flyingfish93,

thanks for your article.
As you are probably aware of, the Hive account@steemstem community has given itself high standards, when it comes to copyright issues.
I want to encourage you to use proper licenced images for your articles, which means using free pictures which can be commercially used. More information regarding this can be found at the steemSTEM-guidelines and beyond this link.

If you have any additional questions, feel free to ask!

Best regards
Egotheist