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diff --git a/2012-12-28_13.38.07.png b/2012-12-28_13.38.07.png
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diff --git a/2012-12-28_23.04.33.png b/2012-12-28_23.04.33.png
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diff --git a/castle.js b/castle.js
deleted file mode 100644
index e160d32..0000000
--- a/castle.js
+++ /dev/null
@@ -1,52 +0,0 @@
-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/castles-interlocking.png b/castles-interlocking.png
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diff --git a/cottage.js b/cottage.js
deleted file mode 100644
index 077c151..0000000
--- a/cottage.js
+++ /dev/null
@@ -1,93 +0,0 @@
-//
-// 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/fort.js b/fort.js
deleted file mode 100644
index 83b0c97..0000000
--- a/fort.js
+++ /dev/null
@@ -1,61 +0,0 @@
-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');
-};
diff --git a/forts-castles.png b/forts-castles.png
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