You can ensure that all of your images have a © mark and suitable statement. This data is then placed into the Meta Data of the image.
How to Copyright mark images.
So now we know what we are trying to achieve and why, what does it mean in relation to your images and how do you tag your images appropriately.
You should ensure that your images are correctly tagged.
It only takes a couple of minutes to do
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Ensure you know How to Ensure all your images are Copyright © marked