Sleazy Fork is available in English.
Auto Resize images and video on multiple image boards and enlarges thumbnails on mouse hover and adds content type icons to them.
< Spätná väzba na Image Board Enhancer (Rule34, Gelbooru, e621, and more)
I've updated the script to try and fix this. It should remove the fluid video player now, if you continue to have problems with it let me know.
The option "Remove fluid player" does nothing on Rule34Hentai.net.