       presentationController.navigationItem.leftBarButtonItem = leftButton
       presentationController.navigationItem.rightBarButtonItem = rightButton
 
-      addSlides()
-      addScene()
+      configureSlides()
+      configureBackground()
 
       window = UIWindow(frame: UIScreen.mainScreen().bounds)
       window?.rootViewController = navigationController

    presentationController.add(slides)
  }

  func addScene() {
    let images = ["Cloud1", "Cloud2", "Cloud1"].map { UIImageView(image: UIImage(named: $0)) }

    let content1 = Content(view: images[0], position: Position(left: -0.3, top: 0.2))
    let content2 = Content(view: images[1], position: Position(right: -0.3, top: 0.22))
    let content3 = Content(view: images[2], position: Position(left: 0.5, top: 0.5))

    presentationController.addToScene([content1, content2, content3])

    presentationController.addAnimations([
      TransitionAnimation(content: content1, destination: Position(left: 0.2, top: 0.2)),

      return true
  }

  func configureSlides() {
    let font = UIFont(name: "ArialRoundedMTBold", size: 42.0)!
    let color = UIColor.whiteColor()
    let paragraphStyle = NSMutableParagraphStyle()
