Creating your own theme - where to get pictures for the demo, for example, cartoon characters?

Question

Design

Some paid showcase themes come with beautiful pictures, such as cartoon characters. The question is how these templates solved the issue with the rights to place pictures, and the second is where they get them (pictures). Thank you.

Answer 1

how did these templates solve the issue with the rights to post images

no way
goo.gl/dyrTz3

Answer 2

There are photo banks that allow you to search for images under a license. Even in the Google image search there is such a setting.