Image resource issues.

tip_alert_black needs to be sliced and scaleable.

Aspect-stretch background.png if device screen is too large.

platform-darwin/Resources/Media/Images.xcassets/tip_alert_black.imageset/Contents.json

@@ -0,0 +1,50 @@
+{
+  "images" : [
+    {
+      "resizing" : {
+        "mode" : "9-part",
+        "center" : {
+          "mode" : "tile",
+          "width" : 1,
+          "height" : 58
+        },
+        "cap-insets" : {
+          "bottom" : 15,
+          "top" : 7,
+          "right" : 11,
+          "left" : 72
+        }
+      },
+      "idiom" : "universal",
+      "filename" : "tip_alert_black.png",
+      "scale" : "1x"
+    },
+    {
+      "resizing" : {
+        "mode" : "9-part",
+        "center" : {
+          "mode" : "stretch",
+          "width" : 1,
+          "height" : 1
+        },
+        "cap-insets" : {
+          "bottom" : 29,
+          "top" : 132,
+          "right" : 22,
+          "left" : 144
+        }
+      },
+      "idiom" : "universal",
+      "filename" : "tip_alert_black@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}