diff --git a/src/app/qtkscene.cpp b/src/app/qtkscene.cpp
index 54b4809..c93ab78 100644
--- a/src/app/qtkscene.cpp
+++ b/src/app/qtkscene.cpp
@@ -114,7 +114,7 @@ void QtkScene::init()
   // Simple cube lighting examples.
 
   /* Phong lighting example on a basic cube. */
-  mTestPhong = new Qtk::MeshRenderer("phong", Qtk::Cube());
+  mTestPhong = addObject(new Qtk::MeshRenderer("phongCube", Qtk::Cube()));
   mTestPhong->getTransform().setTranslation(3.0f, 0.0f, -2.0f);
   // NOTE: You no longer need to manually bind shader program to set uniforms.
   // + You can still bind it if you want to for performance reasons.
@@ -152,7 +152,7 @@ void QtkScene::init()
   // No light source needed for this lighting technique
 
   /* Initialize Ambient example cube */
-  mTestAmbient = new Qtk::MeshRenderer("ambient", Cube());
+  mTestAmbient = addObject(new Qtk::MeshRenderer("ambientCube", Cube()));
   mTestAmbient->getTransform().setTranslation(7.0f, 0.0f, -2.0f);
   mTestAmbient->setShaders(":/shaders/solid-ambient.vert",
                            ":/shaders/solid-ambient.frag");
@@ -164,7 +164,7 @@ void QtkScene::init()
   // No light source needed for this lighting technique
 
   /* Initialize Diffuse example cube */
-  mTestDiffuse = new Qtk::MeshRenderer("diffuse", Cube());
+  mTestDiffuse = addObject(new Qtk::MeshRenderer("diffuseCube", Cube()));
   mTestDiffuse->getTransform().setTranslation(9.0f, 0.0f, -2.0f);
   mTestDiffuse->setShaders(":/shaders/solid-diffuse.vert",
                            ":/shaders/solid-diffuse.frag");
@@ -180,7 +180,7 @@ void QtkScene::init()
   mesh->getTransform().scale(0.25f);
 
   /* Initialize Specular example cube */
-  mTestSpecular = new Qtk::MeshRenderer("specular", Cube());
+  mTestSpecular = addObject(new Qtk::MeshRenderer("specularCube", Cube()));
   mTestSpecular->getTransform().setTranslation(11.0f, 0.0f, -2.0f);
   mTestSpecular->setShaders(":/shaders/solid-specular.vert",
                             ":/shaders/solid-specular.frag");
@@ -233,8 +233,8 @@ void QtkScene::init()
   /* Test alien Model with phong lighting and specular mapping. */
   model = addObject(new Qtk::Model("alienTest",
                                    ":/models/models/alien-hominid/alien.obj",
-                                   ":/shaders/model-specular.vert",
-                                   ":/shaders/model-specular.frag"));
+                                   ":/shaders/model-phong.vert",
+                                   ":/shaders/model-phong.frag"));
   model->getTransform().setTranslation(3.0f, -1.0f, 10.0f);
   model->getTransform().scale(0.15f);
   model->setUniform("uMaterial.ambient", QVector3D(1.0f, 1.0f, 1.0f));
@@ -242,7 +242,7 @@ void QtkScene::init()
   model->setUniform("uMaterial.specular", QVector3D(1.0f, 1.0f, 1.0f));
   model->setUniform("uMaterial.ambientStrength", 0.8f);
   model->setUniform("uMaterial.diffuseStrength", 0.8f);
-  model->setUniform("uMaterial.specularStrength", 1.0f);
+  model->setUniform("uMaterial.specularStrength", 0.5f);
   model->setUniform("uMaterial.shine", 32.0f);
 
   model->setUniform("uLight.ambient", QVector3D(1.0f, 1.0f, 1.0f));