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.
< Σχολιασμός για τον κώδικα Image Board Enhancer (Rule34, Gelbooru, e621, and more)
Fluid Video Player breaks the video by not allowing the user of the script to play that specific video on R34. on other websites I believe it works just fine as far as I can tell.