Added RickRoll_Update and WallpaperChanger

RickRoll_Update : Plays Never Gonna Give you up while performing a fake
windows update.

WallpaperChanger : Downloads and applies a wallpaper via powershell.

RickRoll_Update/RickRoll_Update.ino

@@ -0,0 +1,21 @@
+//This DigiSpark script opens up Rick Astley's - Never Gonna Give You Up and also a fake Windows update screen and then maximizes it using F11
+#include "DigiKeyboard.h"
+void setup() {
+  //empty
+}
+void loop() {
+  DigiKeyboard.delay(2000);
+  DigiKeyboard.sendKeyStroke(0);
+  DigiKeyboard.sendKeyStroke(KEY_R, MOD_GUI_LEFT);
+  DigiKeyboard.delay(600);
+  DigiKeyboard.print("https://youtu.be/dQw4w9WgXcQ?t=43s");
+  DigiKeyboard.sendKeyStroke(KEY_ENTER);
+  DigiKeyboard.delay(5000);
+  DigiKeyboard.sendKeyStroke(KEY_R, MOD_GUI_LEFT);
+  DigiKeyboard.delay(3000);
+  DigiKeyboard.print("http://fakeupdate.net/win10u/index.html");
+  DigiKeyboard.sendKeyStroke(KEY_ENTER);
+  DigiKeyboard.delay(2000);
+  DigiKeyboard.sendKeyStroke(KEY_F11);
+  for(;;){ /*empty*/ }
+}

WallpaperChanger/WallpaperChanger.ino

@@ -0,0 +1,33 @@
+//This DigiKeyboard Script downloads and sets a wallpaper through the Windows PowerShell. It has been tested successfully on Windows 10
+//and should probably work with Windows 7/8/8.1 etc.
+
+#include "DigiKeyboard.h"
+void setup() {
+  //empty
+}
+void loop() {
+  DigiKeyboard.sendKeyStroke(0);
+  DigiKeyboard.sendKeyStroke(KEY_D, MOD_GUI_LEFT);
+  DigiKeyboard.delay(500);
+  DigiKeyboard.sendKeyStroke(KEY_R, MOD_GUI_LEFT);
+  DigiKeyboard.delay(500);
+  DigiKeyboard.print("powershell");
+  DigiKeyboard.sendKeyStroke(KEY_ENTER);
+  DigiKeyboard.delay(500);
+  DigiKeyboard.print("$client = new-object System.Net.WebClient");
+  DigiKeyboard.sendKeyStroke(KEY_ENTER);
+  DigiKeyboard.delay(500);
+  DigiKeyboard.print("$client.DownloadFile(\"https://tr3.cbsistatic.com/hub/i/2014/05/15/f8964afd-bd82-4e0e-bcbe-e927363dcdc1/3b858e39e2cf183b878f54cad0073a67/codedoge.jpg\" , \"doge.jpg\")");
+  DigiKeyboard.sendKeyStroke(KEY_ENTER);
+  DigiKeyboard.delay(500);
+  DigiKeyboard.print("reg add \"HKCU\\Control Panel\\Desktop\" /v WallPaper /d \"%USERPROFILE%\\doge.jpg\" /f");
+  DigiKeyboard.delay(500);
+  DigiKeyboard.sendKeyStroke(KEY_ENTER);
+  DigiKeyboard.delay(500);
+  DigiKeyboard.print("RUNDLL32.EXE USER32.DLL,UpdatePerUserSystemParameters ,1 ,True");
+  DigiKeyboard.sendKeyStroke(KEY_ENTER);
+  DigiKeyboard.delay(500);
+  DigiKeyboard.print("exit");
+  DigiKeyboard.sendKeyStroke(KEY_ENTER);
+  for(;;){ /*empty*/ }
+}