Some grate cover designs

I have found a few cover designs using animal illustration. The tiger one below is my favorite! Grate symbolism and clever use of the new york skyscrapers as the teeth.
Chronic City, Uk edition, designed by Miriam Rosenbloon

The Death of Bunny Munro, design by Charlotte Strick: "An evil bratty bunny!

The Bedside Book of Beasts, design by CS Richardson:
Never smile at a monkey: And 17 Ohther important things to remember, design by Scott Magoon, illustration by Steve Jenkins
I think this is a good design even though it kind of scars me