Banners bring a sense of brand and style to your Etsy store. You should have your own unique banner that goes along with your brand and the things you sell.

If you don't have one, Sweetly Scrapped Arts share 100 free, generic ones that you can use.

You can also checkout this great video by Justine Grey on how to make your own banner using the open source design software GIMP (if you have a designer friend you could also ask them!):