yes but it is a website that has images which are free to use, and also below is a post that I found on steemit policy page, and nothing here is mentioned as to indicate the source.
And if I do have to indicate the source how can I do it like using a link or what? Please guide me with an article stating about this "indicating source of images".

https://steemit.com/steem-help/@mindover/don-t-plagiarize-images-here-are-13-free-and-legal-ways-to-find-high-quality-photos-you-can-use-on-steemit