diff --git a/examples/convert-image.js b/examples/convert-image.js
index 7f62ff3..dbc9f0c 100755
--- a/examples/convert-image.js
+++ b/examples/convert-image.js
@@ -1,6 +1,6 @@
 var cv = require('../lib/opencv');
 
-cv.readImage('./files/mona.png', function(err, im) {
+cv.readImage('./examples/files/mona.png', function(err, im) {
   if (err) throw err;
   if (im.width() < 1 || im.height() < 1) throw new Error('Image has no size');
 
@@ -10,12 +10,12 @@ cv.readImage('./files/mona.png', function(err, im) {
   img_hsv.convertHSVscale();
   img_gray.convertGrayscale();
 
-  im.save('./tmp/nor.png');
-  img_hsv.save('./tmp/hsv.png');
-  img_gray.save('./tmp/gray.png');
+  im.save('./examples/tmp/nor.png');
+  img_hsv.save('./examples/tmp/hsv.png');
+  img_gray.save('./examples/tmp/gray.png');
 
   img_crop = im.crop(50,50,250,250);
-  img_crop.save('./tmp/crop.png');
+  img_crop.save('./examples/tmp/crop.png');
 
-  console.log('Image saved to ./tmp/{crop|nor|hsv|gray}.png');
+  console.log('Image saved to ./examples/tmp/{crop|nor|hsv|gray}.png');
 });
diff --git a/examples/detect-shapes.js b/examples/detect-shapes.js
index f465d23..6326995 100755
--- a/examples/detect-shapes.js
+++ b/examples/detect-shapes.js
@@ -12,7 +12,7 @@ var GREEN = [0, 255, 0]; // B, G, R
 var WHITE = [255, 255, 255]; // B, G, R
 
 
-cv.readImage('./files/shapes.jpg', function(err, im) {
+cv.readImage('./examples/files/shapes.jpg', function(err, im) {
   if (err) throw err;
 
   width = im.width()
@@ -46,6 +46,6 @@ cv.readImage('./files/shapes.jpg', function(err, im) {
     }
   }
 
-  out.save('./tmp/detect-shapes.png');
-  console.log('Image saved to ./tmp/detect-shapes.png');
+  out.save('./examples/tmp/detect-shapes.png');
+  console.log('Image saved to ./examples/tmp/detect-shapes.png');
 });
diff --git a/examples/face-detection.js b/examples/face-detection.js
index 0cc5fee..185a78b 100755
--- a/examples/face-detection.js
+++ b/examples/face-detection.js
@@ -1,10 +1,10 @@
 var cv = require('../lib/opencv');
 
-cv.readImage("./files/mona.png", function(err, im){
+cv.readImage("./examples/files/mona.png", function(err, im){
   if (err) throw err;
   if (im.width() < 1 || im.height() < 1) throw new Error('Image has no size');
 
-  im.detectObject("../data/haarcascade_frontalface_alt.xml", {}, function(err, faces){
+  im.detectObject("./data/haarcascade_frontalface_alt.xml", {}, function(err, faces){
     if (err) throw err;
 
     for (var i = 0; i < faces.length; i++){
@@ -12,7 +12,7 @@ cv.readImage("./files/mona.png", function(err, im){
       im.ellipse(face.x + face.width / 2, face.y + face.height / 2, face.width / 2, face.height / 2);
     }
 
-    im.save('./tmp/face-detection.png');
-    console.log('Image saved to ./tmp/face-detection.png');
+    im.save('./examples/tmp/face-detection.png');
+    console.log('Image saved to ./examples/tmp/face-detection.png');
   });
 });
diff --git a/examples/quad-crosses.js b/examples/quad-crosses.js
index e56f4cb..1a3a558 100755
--- a/examples/quad-crosses.js
+++ b/examples/quad-crosses.js
@@ -47,6 +47,6 @@ cv.readImage('./examples/files/quads.jpg', function(err, im) {
     out.line([points[1].x,points[1].y], [points[3].x, points[3].y], RED);
   }
 
-  out.save('./tmp/quad-crosses.png');
-  console.log('Image saved to ./tmp/quad-crosses.png');
+  out.save('./examples/tmp/quad-crosses.png');
+  console.log('Image saved to ./examples/tmp/quad-crosses.png');
 });
diff --git a/src/Matrix.cc b/src/Matrix.cc
index 05312c9..9f57b48 100755
--- a/src/Matrix.cc
+++ b/src/Matrix.cc
@@ -68,6 +68,7 @@ Matrix::Init(Handle<Object> target) {
 	NODE_SET_PROTOTYPE_METHOD(ctor, "drawAllContours", DrawAllContours);
 	NODE_SET_PROTOTYPE_METHOD(ctor, "goodFeaturesToTrack", GoodFeaturesToTrack);
 	NODE_SET_PROTOTYPE_METHOD(ctor, "houghLinesP", HoughLinesP);
+	NODE_SET_PROTOTYPE_METHOD(ctor, "crop", Crop);
 	NODE_SET_PROTOTYPE_METHOD(ctor, "inRange", inRange);
 	NODE_SET_PROTOTYPE_METHOD(ctor, "adjustROI", AdjustROI);
 	NODE_SET_PROTOTYPE_METHOD(ctor, "locateROI", LocateROI);