I think this is one of the first things a content creator should be aware of. There have been many posts shared here about copyright infringement and plagiarism and it’s good that this valuable information keeps floating around.

I too like using my own images as much as possible. I’m not sure if you’ve come across the Stock Images Community but the images provided there are from Hive artists. If interested you can check it out and see how it works and read their guidelines.