Better demo images in example project

Author: zvonicek

Example/ImageSlideshow/ViewController.swift

@@ -30,12 +30,12 @@ class ViewController: UIViewController {
 
 //        AFURLSource example
 //        
-//        slideshow.setImageInputs([AFURLSource(urlString: "https://thumbs.dreamstime.com/z/flysch-rocks-barrika-beach-sunset-58426273.jpg")!, AFURLSource(urlString: "https://thumbs.dreamstime.com/z/man-surfboard-beautiful-foggy-beach-boy-running-golden-sunrise-daytona-florida-58532550.jpg")!, AFURLSource(urlString: "https://thumbs.dreamstime.com/z/woman-putting-mask-her-face-black-cloak-sitting-ground-58291716.jpg")!])
+//        slideshow.setImageInputs([AFURLSource(urlString: "https://images.unsplash.com/photo-1432679963831-2dab49187847?w=1080")!, AFURLSource(urlString: "https://images.unsplash.com/photo-1447746249824-4be4e1b76d66?w=1080")!, AFURLSource(urlString: "https://images.unsplash.com/photo-1463595373836-6e0b0a8ee322?w=1080")!])
 
 
 //        AlamofireSource example
 //        
-        slideshow.setImageInputs([AlamofireSource(urlString: "https://thumbs.dreamstime.com/z/flysch-rocks-barrika-beach-sunset-58426273.jpg")!, AlamofireSource(urlString: "https://thumbs.dreamstime.com/z/man-surfboard-beautiful-foggy-beach-boy-running-golden-sunrise-daytona-florida-58532550.jpg")!, AlamofireSource(urlString: "https://thumbs.dreamstime.com/z/woman-putting-mask-her-face-black-cloak-sitting-ground-58291716.jpg")!])
+        slideshow.setImageInputs([AlamofireSource(urlString: "https://images.unsplash.com/photo-1432679963831-2dab49187847?w=1080")!, AlamofireSource(urlString: "https://images.unsplash.com/photo-1447746249824-4be4e1b76d66?w=1080")!, AlamofireSource(urlString: "https://images.unsplash.com/photo-1463595373836-6e0b0a8ee322?w=1080")!])
 
         let recognizer = UITapGestureRecognizer(target: self, action: #selector(ViewController.click))
         slideshow.addGestureRecognizer(recognizer)