Sorry, but how do you actually turn this on?
I installed Tampermonkey and copied the script in and the dashboard says it's enabled, but Tampermonkey says no scripts are running and a search on DuckDuckGo just searches on DuckDuckGo.
The flowers are not anemones; they are Papaver rhoeas—known by many common names such as "field poppy", "corn poppy", "Flanders poppy", etc. It's a wild poppy that's sometimes considered a "weed" in spite of its beauty.