diff --git a/example_scripts/castle.js b/example_scripts/castle.js
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+++ b/example_scripts/castle.js
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+load($SCRIPT_DIR + "/fort.js");
+//
+// a castle is just a big wide fort with 4 taller forts at each corner
+//
+function castle (side, height, drone)
+{
+	 // 
+	 // use sensible default parameter values
+	 // if no parameters are supplied
+	 //
+	 if (typeof drone == "undefined")
+		  drone = new Drone();
+	 if (typeof side == "undefined")
+		  side = 24;
+	 if (typeof height == "undefined")
+		  height = 10;
+	 if (height < 8 || side < 20)
+		  throw new java.lang.RuntimeException("Castles must be at least 20 wide X 8 tall");
+	 //
+	 // remember where the drone is so it can return 'home'
+	 //
+	 drone.chkpt('castle');
+	 // 
+	 // how big the towers at each corner will be...
+	 //
+	 var towerSide = 10;
+	 var towerHeight = height+4;
+
+	 //
+	 // the main castle building will be front and right of the first tower
+	 //
+	 drone.fwd(towerSide/2).right(towerSide/2);
+	 //
+	 // the castle is really just a big fort with 4 smaller 'tower' forts at each corner
+	 //
+	 drone = fort(side,height,drone);
+	 //
+	 // move back to start position
+	 //
+	 drone.move('castle');
+	 //
+	 // now place 4 towers at each corner (each tower is another fort)
+	 //
+	 for (var corner = 0; corner < 4; corner++)
+	 {
+		  // construct a 'tower' fort
+		  fort(towerSide,towerHeight,drone); 
+		  // move forward the length of the castle then turn right
+		  drone.fwd(side+towerSide-1).turn(); 
+	 }
+	 return drone.move('castle');
+}
diff --git a/example_scripts/cottage.js b/example_scripts/cottage.js
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+++ b/example_scripts/cottage.js
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+//
+// need to use the drone module to create buildings easily
+// it can be done using calls to putBlock(), putSign(), getPlayerPos() and getMousePos()
+// but it's easier to use the Drone class
+// $SCRIPT_DIR is a special javascript variable whose value is the directory where the 
+// current script resides.
+// $SCRIPT is a special javascript variable whose value is the full name of the current script.
+//
+var scriptDir = $SCRIPT_DIR;
+load(scriptDir + "/drone.js"); // assumes cottage.js and drone.js are in same directory
+//
+// usage: 
+// [1] to build a cottage at the player's current location or the cross-hairs location...
+//
+// /js cottage();
+// 
+// [2] to build a cottage using an existing drone...
+// 
+// /js cottage(drone);
+//
+
+function cottage(/* optional */ drone)
+{
+    if (typeof drone == "undefined"){
+        drone = new Drone();
+    }
+    drone.chkpt('cottage')
+        .box0(48,7,2,6)  // 4 walls
+        .right(3).door() // door front and center
+        .up(1).left(2).box(102) // windows to left and right
+        .right(4).box(102)
+        .left(5).up().prism0(53,7,6);
+    //
+    // put up a sign near door. 
+    //
+    drone.down().right(4).sign(["Home","Sweet","Home"],68);
+    
+    return drone.move('cottage');
+};
+//
+// a more complex script that builds an tree-lined avenue with
+// cottages on both sides.
+//
+function cottage_road(numberCottages,/* optional */ drone)
+{
+    if (typeof numberCottages == "undefined"){
+        numberCottages = 6;
+    }
+    if (typeof drone == "undefined"){
+        drone = new Drone();
+    }
+    var i=0, distanceBetweenTrees = 11;
+    //
+    // step 1 build the road.
+    //
+    var cottagesPerSide = Math.floor(numberCottages/2);
+    drone
+        .chkpt("cottage_road") // make sure the drone's state is saved.
+        .box(43,3,1,cottagesPerSide*(distanceBetweenTrees+1)) // build the road
+        .up().right() // now centered in middle of road
+        .chkpt("cr"); // will be returning to this position later
+
+    //
+    // step 2 line the road with trees
+    //
+    for (; i < cottagesPerSide+1;i++){
+        drone
+            .left(5).oak() 
+            .right(10).oak()
+            .left(5) // return to middle of road
+            .fwd(distanceBetweenTrees+1); // move forward.
+    }
+    drone.move("cr").back(6); // move back 1/2 the distance between trees
+
+    // this function builds a path leading to a cottage.
+    function pathAndCottage(d){
+        return cottage(d.down().box(43,1,1,5).fwd(5).left(3).up());
+    };
+    //
+    // step 3 build cottages on each side
+    //
+    for (i = 0;i < cottagesPerSide; i++)
+    {
+        drone.fwd(distanceBetweenTrees+1).chkpt("r"+i);
+        // build cottage on left
+        pathAndCottage(drone.turn(3)).move("r"+i);
+        // build cottage on right
+        pathAndCottage(drone.turn()).move("r"+i);
+    }
+    // return drone to where it was at start of function
+    return drone.move("cottage_road"); 
+}
+
diff --git a/example_scripts/fort.js b/example_scripts/fort.js
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+++ b/example_scripts/fort.js
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+load($SCRIPT_DIR + "/drone.js");
+//
+// constructs a medieval fort
+//
+function fort(side, height, drone)
+{
+	 if (typeof drone == "undefined")
+		  drone = new Drone();
+	 if (typeof side == "undefined")
+		  side = 18;
+	 if (typeof height == "undefined")
+		  height = 6;
+	 if (height < 4 || side < 10)
+		  throw new java.lang.RuntimeException("Forts must be at least 9 wide X 4 tall");
+	 // make sure side is even
+	 if (side%2)
+		  side++;
+	 var brick = 98;
+	 //
+	 // build walls.
+	 //
+	 drone.chkpt('fort').box0(brick,side,height-1,side);
+	 //
+	 // build turrets
+	 //
+	 drone.up(height-1);
+	 for (i = 0;i <= 3;i++){
+		  var turret = [];
+		  drone.box(brick) // solid brick corners
+				.up().box('50:5').down() // light a torch on each corner
+				.fwd(); 
+		  turret.push('109:'+ Drone.PLAYER_STAIRS_FACING[drone.dir]);
+		  turret.push('109:'+ Drone.PLAYER_STAIRS_FACING[(drone.dir+2)%4]);
+		  drone.box(turret,1,1,side-2).fwd(side-2).turn();
+	 }
+	 //
+	 // build battlements
+	 //
+	 drone.move('fort');
+	 drone.up(height-2).fwd().right().box('44:5',side-2,1,side-2);
+	 var battlementWidth = 3;
+	 if (side <= 12)
+		  battlementWidth = 2;
+	 
+	 drone.fwd(battlementWidth).right(battlementWidth)
+		  .box(0,side-((1+battlementWidth)*2),1,side-((1+battlementWidth)*2));
+	 //
+	 // add door
+	 //
+	 var torch = '50:' + Drone.PLAYER_TORCH_FACING[drone.dir];
+	 drone.move('fort').right((side/2)-1).door2() // double doors
+		  .back().left().up().box(torch) // left torch
+		  .right(3).box(torch); // right torch
+	 //
+	 // add ladder up to battlements
+	 //
+	 var ladder = '65:' + Drone.PLAYER_SIGN_FACING[(drone.dir+2)%4];
+	 drone.move('fort').right((side/2)-3).fwd(1) // move inside fort
+		  .box(ladder, 1,height-1,1);
+	 return drone.move('fort');
+};
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