To add a custom logo for any of your selected merchants, go to Feed Settings, tick the box to Enable Custom Merchant Logo/Description, and click Save. Next, go to Manage Merchants, locate the desired merchant, and click on the customize icon. Enter the URL for the logo you would like assigned to this merchant (image must be hosted on your own domain) and click Save. There is no restriction on image size. The custom logo will be included in your getMerchants feed.