If by swap you mean hide one picture and then show the next one, yes, you can do that but you will need quite a little bit of coding and yes you will need to write your own XML file. If you need any help you could ask jumpeyecomponents.com support team to do it for you in exchange for a small fee. Go to [
www.jumpeyecomponents.com] and send an e-mail telling them what you want and they will get the job done for you.