Add copyright informations of all images to your site.
This extension is only intended for developers.
If you do not download thousands of images from productive projects, you will receive error messages about missing images in the frontend.
This extension catches missing images and renders a test image instead of an error message.
Only install it via composer or extension upload.
Generally not needed.
...
Do you like this extension and do you use it on production environments? Please help me to maintain this extension and become a sponsor.