Sugar allows you to display up to 3 images (optionally linked) images in your footer, and while the feature is called Featured-In images, it could potentially be used for any set up images you'd like to display (such as sponsor logos, linked banners, etc).
Use this text box to place any important text in the footer. This could be used for an address, phone number, or other helpful information.
Payment icons are displayed below your store's copyright message in the footer. Icons are displayed based on your accepted payment settings in Shopify.