Why, this misterious pic in my card? One Gift? One Job? One challenge?

[Laudelino Amaral]

URL:
https://trello.com/c/OnWua2z9/1199-assistir-o-filme-o-pre%C3%A7o-da-paz

[Dan Lew · Accepted solution]

It's a little easter egg. :)

Those aging backgrounds look somewhat like a treasure map... that one card is where you can find the treasure.