Mine are outside of Fiverr, but still:
1- Someone wanted my to draw two tennis player on a tennis court, wearing the customer’s branded clothes, with the whole city of Manhattan in background. All that in photo realistic style and paid in exposure. Useless to say I did not accept this one.
2- Someone wanted me to draw a angry looking Jesus stabbing a scared snake with a cross. All of it in tribal style for a tattoo. I had no idea how to draw a “stabby angry looking Jesus” in tribal so I declined