Greasy Fork is available in English.
Large iMDB images when you hover over them.
Can you describe the problem? I've tried both My watchlist and My ratings, and they work for me.
I tested the script in Firefox and found the bug. The script's jquery was in conflict with the page. I have updated the script now. Please try the new version.
Watchlist and rating don't work
Watchlist and rating do not work when this script is installed. Too bad, I was really looking for this.