Also some of the images do not even have pairings or time periods for them.
So I'll give you to you here.
The microphone picture--Setting: 1920s-40s Pairing: Juke Joint Singer x Patron
The El Dorado looking picture: Setting: Age of Exploration, Pairing: Temple Priestess x Conquistador
Picture with woman underwater (not mermaid): Setting: Ancient Greece, Pairing: Siren x Adventurer (Gender Bender Available)
Fantasy castle picture (small castle tucked into the woods): Setting: Fantasy World, Pairing: Spring Princess x Ice King (Gender Bender Available)
Desert picture with tent: Setting: 1920s Egypt, Pairing: Archaeologist x Keeper of the Tomb
Gender Bender Available.