http://www.nonscandinavia.com/
https://skalgubbar.se/
https://black-img.com/Cut-outs
https://escalalatina.com/
http://www.cutoutmix.com/index.html
http://www.tonytextures.com/free-set-of-people-cutouts-png-and-psd/
https://ambientcg.com/list?type=Atlas,Decal,Material
https://www.arroway-textures.ch/textures/
(you can download a lower resolution image for free)