Oooh! We really like this image. you should try changing the dimensions before you set it as your cover image though! Cropping the image to 1080x100 will allow you to display the specific area of the image you want displayed and may help to improve the image quality as well! Take a look at other best practices and a few free cover images here: https://steemit.com/busy/@capnsostre/15-free-steem-cover-photos-best-practices