diff --git a/README.md b/README.md
index 93f8d21..af117d2 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,26 @@ This is a simple implementation of the [Pomodoro Technique](http://pomodorotechn
 
 It runs in the menu bar, it doesn't take a bunch of resources, and it might help you not sit at your desk all day.
 
-Icons made by [Madebyoliver](http://www.flaticon.com/authors/madebyoliver) from [Flaticon](http://www.flaticon.com) is licensed by [CC 3.0 BY](http://creativecommons.org/licenses/by/3.0/)
+## Screenshots
+
+Default state:
+
+<img src="screenshots/menubar-default-state.png" alt="Robomodoro's default state in the menu bar" width="34" height="24" />
+
+Work state:
+
+<img src="screenshots/menubar-work-state.png" alt="Robomodoro's work state in the menu bar" width="51" height="25" />
+
+Menu:
 
+<img src="screenshots/menu.png" alt="Robomodoro's menu" width="190" height="192" />
 
+Notification
+
+<img src="screenshots/notification.png" alt="Robomodoro's notification" width="332" height="72" />
+
+I like to make my notifications `alerts` instead of `banners` so that they stay around until I acknowledge them.
+
+## Attributions
+
+Icons made by [Madebyoliver](http://www.flaticon.com/authors/madebyoliver) from [Flaticon](http://www.flaticon.com) is licensed by [CC 3.0 BY](http://creativecommons.org/licenses/by/3.0/)
diff --git a/robomodoro.xcodeproj/project.pbxproj b/robomodoro.xcodeproj/project.pbxproj
index 30c8cfe..d516491 100644
--- a/robomodoro.xcodeproj/project.pbxproj
+++ b/robomodoro.xcodeproj/project.pbxproj
@@ -313,7 +313,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = robomodoro/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				PRODUCT_BUNDLE_IDENTIFIER = danielma.robomodoro;
+				PRODUCT_BUNDLE_IDENTIFIER = com.danielma.robomodoro;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Debug;
@@ -325,7 +325,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = robomodoro/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				PRODUCT_BUNDLE_IDENTIFIER = danielma.robomodoro;
+				PRODUCT_BUNDLE_IDENTIFIER = com.danielma.robomodoro;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Release;
diff --git a/robomodoro/AppDelegate.swift b/robomodoro/AppDelegate.swift
index bd66e5a..8d089af 100644
--- a/robomodoro/AppDelegate.swift
+++ b/robomodoro/AppDelegate.swift
@@ -129,6 +129,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSUserNotificationCenterDele
 
   func showNotification(text: String) {
     let notification:NSUserNotification = NSUserNotification()
+    notification.identifier = "com.danielma.robomodoro-notification"
     notification.title = "Robomodoro"
     notification.subtitle = "\(currentMode.rawValue) \(text)"
     notification.soundName = NSUserNotificationDefaultSoundName
diff --git a/screenshots/menu.png b/screenshots/menu.png
new file mode 100644
index 0000000..67441cd
Binary files /dev/null and b/screenshots/menu.png differ
diff --git a/screenshots/menubar-default-state.png b/screenshots/menubar-default-state.png
new file mode 100644
index 0000000..08fa2a3
Binary files /dev/null and b/screenshots/menubar-default-state.png differ
diff --git a/screenshots/menubar-work-state.png b/screenshots/menubar-work-state.png
new file mode 100644
index 0000000..9707711
Binary files /dev/null and b/screenshots/menubar-work-state.png differ
diff --git a/screenshots/notification.png b/screenshots/notification.png
new file mode 100644
index 0000000..dfa1987
Binary files /dev/null and b/screenshots/notification.png differ