WallpaperChanger

Allows selecting different folder slideshow for each of your monitors. Source can be your file system or booru image databases.

Usage

Download zip file from Releases or compile yourself with dotnet.
Extract in a folder of your choice.
Edit Settings.json
Run WallpaperChanger.exe, if everything is correct, it will create a wallpaper.bmp image in the same directory and set it as your desktop background.
To automate, you can create a Task Scheduler job.

Settings

Edit Settings.json:

Keys - keys of the configurations (one for each of your monitors)
Providers - configurations in a "Key": { configuration } pattern, where each configuration can have one the following types:
- Getting image from your file system:
  - ProviderType - File
  - Orientation - Landscape, Portrait or Any. Default: Any
  - ImageAspectRatio - maximum image width/height or height/width depending on orientation. Default: 1. Expected range 0-1
  - ImageToScreenSizeRatio - minimum image height/screen height and image width/screen width. Default: 0. Expected range 0-1
  - MinHeight - minimum height of the image. Default: 0
  - MinWidth - minimum width of the image. Default: 0
  - Path - path to a folder or an image.
  - Exclude - exclude paths containing these keywords.
  - Depth - how deep to recursively search subdirectories. Default: 0
- Getting images from a booru
  - ProviderType - Booru
  - Booru - Konachan Gelbooru Danbooru E621 Allthefallen Sankaku Yandere
  - Tags - array of string tags for image search