         statusBar.superview!.insertSubview(statusBarBlurView, belowSubview: statusBar)
         self.view.addSubview(statusBarBlurView)
 
-        let statusBarBackgroundImage = UIImage(named: "MaskPixel").imageWithRenderingMode(.AlwaysTemplate)
+        let statusBarBackgroundImage = UIImage(named: "MaskPixel")!.imageWithRenderingMode(.AlwaysTemplate)
         let statusBarBackgroundView = UIImageView(image: statusBarBackgroundImage)
         statusBarBackgroundView.frame = statusBarVibrancyView.bounds
         statusBarBackgroundView.autoresizingMask = .FlexibleWidth | .FlexibleHeight

    }

    private func tintedIconButton(iconNamed iconName: String) -> UIButton {
        let iconImage = UIImage(named: iconName).imageWithRenderingMode(.AlwaysTemplate)
        let borderImage = UIImage(named: "ButtonRoundRect").imageWithRenderingMode(.AlwaysTemplate)

        let button = UIButton(frame: CGRect(origin: CGPointZero, size: borderImage.size))
        button.setBackgroundImage(borderImage, forState: .Normal)

        scrollView.backgroundColor = UIColor.blackColor()
        self.view.addSubview(scrollView)

        let yosemiteImage = UIImage(named: "Yosemite")!
        let backgroundImageView = UIImageView(image: yosemiteImage)
        scrollView.addSubview(backgroundImageView)

