Use Unsplash Source a simple API for embedding free high-resolution photos from Unsplash to get background for DokuWiki instance. Source code is hosted at GitLab/unsplashdoku and documentation is available on the main DokuWiki/plugin:unsplashdoku website.
The idea is to use daily or weekly images limited to specified keyword and blend it to ensure that everyting is still readable.
You can modify configuration on the global settings page.
This plugin is disabled after installation by default.