There is no built-in feature in EW for creating slideshows, galleries, etc. EW is a professional tool, and you are expected to integrate the third-party solution of your choice into your site. You have much more flexibility and design freedom that way. Personally,
Please remember to "Mark as Answer" the responses that resolved your issue. It is common courtesy to recognize those who have helped you, and it also makes it easier for visitors to find the resolution later.