The names of the people I've given in the brief are interesting people, I suggest maybe spend 10 mins or so on google to see something that might inspire your designs

Ideally I'd want the winner to be able to do other people in the same style as their winning entry

Good day Project Owner, I think this winning design has a downloaded image.
I have the image source By Benoit Denis.

Kindly notify me about this report of mine if I am mistaken. Thank you!

Thank you. DesignCrowd have confrmed this