IMAGES FOLDER

Image variants are stored in 'images' in their respective folders. 
If you want to remove any variants then just move/delete them from the folder.

Similarly, to add images for an event, put .png files in the respective folder, named after the event plus a number (e.g. brain_leech1.png, brain_leech2.png, neow1. neow4).

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CONFIG

Settings can be changed in-game if you have ModConfig or RitsuLib installed.
Otherwise, edit the config file by hand:

1. Close the game.
2. Open this file (it is created the first time you launch the game with the mod):
   %APPDATA%\SlayTheSpire2\mod_configs\FutaMod.json
3. Change the values you want, save the file, and start the game.

Settings:

  EventImagesEnabled     true / false   Use the custom event images.
  AncientImagesEnabled   true / false   Use the custom Ancient images.
  RandomImagesEnabled    true / false   false = always use the first image instead of picking at random.
  RoutesEnabled          true / false   false = the event image does not change after you choose an option.
  FadeEnabled            true / false   Fade between event images. (Only for events that have images change on choosing an option)
  FadeSeconds            0 to 2         Fade speed. Default is 0.2.
  WordChoices            "cock": "girlcock"    Naming preference. Use "cock" or "girlcock".

Keep the quotes, commas, and lowercase true/false exactly as shown.
You can replace it with cock, girlcock. dick, girldick, or penis.
Example of the naming setting with "dick":

  "WordChoices": {"cock": "dick"}

If the file stops working, delete it and a fresh one will be created on the next launch.