And there is no excuse!https://pixelsink.com/can-i-use-stock-photos-with-a-watermark/
This is such a pet peeve of mine that I feel the need to post for posterity. Pixelsink.com explains this very well. Why you should not use an image that shows a watermark. Besides showing your lack of knowledge as to the legality it also shows that you do not conduct your business professionally. It is your decision.