Manta Ray-themed Tab Wallpaper is the best web extension you can freely download in the Chrome Web Store that allows you to have the access in different wallpapers of different varieties of Manta Rays. Additionally, this has a great resolution to avoid any grainy and pixelated images that will look great on your tab. Also, you can effortlessly add different images for your wallpaper if you want. Of course, this also features different widgets such as notepad, to-do lists, and you can even customize the color and themes to fit your liking.