This used to display ratings bar on YouTube thumbnails, but Google has blocked how it gets its data. I'm disabling it for now in case people still have it running.
< Youtube Video Ratings Bar with Power Meter (DISABLED)についてのフィードバック
You have to click on the "Advanced Style Settings" button on the page to access the options.
Customizing doesn't work
On the recommended site for customization there are no options to choose from, which were available previously.