Photos online are not really public domain or copyright free. Someone owns them and they can ask you to stop using them or even money compensation.
So, instead of taking the risk, we highly suggest not using them and, going to an actual website that allows the photos to be used by anyone. However, READ, because sometimes the photos can be used only for personal use, but if you want to use it in connection with a business then you have to pay an extra license fee. Read the legal pages and be sure that you will not be doing anything you are not supposed to.
Do you have any questions? Send me an email to maria@mjaintellectualproperty.com
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