Cartoon Koalas Wallpapers. The result is an incredibly stylish wall design for kids’ rooms, featuring the most adorable koalas at its heart. Tons of awesome koala wallpapers to download for free. Koala with flowers on a tree on a pink background. Cute from www.pinterest.com You can also select an option to enjoy a nice wallpaper slideshow. 24 phone wallpapers 22 images 33 avatars 3 gifs.