With Unbounce's Dynamic Image Replacement App for the Smart Builder, you can automatically serve different images based of different URL parameters. This app is perfect for delivering different content to specific audiences. For example, if you're running a campaign targeted at men and women, you can use the Dynamic Image Replacement App to serve different images to each group. Simply enter the URL parameters that you want to target, and then upload the images that you want to serve. The app will take care of the rest!