Like others, I wish there was some info about the photos like context, location or source (Wikipedia?).

Anyway, here's the complete dataset (funny way to store it):

https://www.chronophoto.app/badSneakers.txt

Also, I couldn't resist and cheated a bit to see if you'ld get something special for 5000, but nothing :(

https://imgur.com/a/aEUMZlJ