Are these your original photos? If not, i suggest you credit the original authors, and/or make sure they are not copy right protected. Otherwise here is a good post link o how to correctly use images. I hope it helps.

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