diff --git a/Demos/AllBulletDemos/DemoEntries.cpp b/Demos/AllBulletDemos/DemoEntries.cpp
index 93660331e..998b87723 100644
--- a/Demos/AllBulletDemos/DemoEntries.cpp
+++ b/Demos/AllBulletDemos/DemoEntries.cpp
@@ -18,12 +18,19 @@ subject to the following restrictions:
 #include "../CcdPhysicsDemo/CcdPhysicsDemo.h"
 #include "../BspDemo/BspDemo.h"
 #include "../BasicDemo/BasicDemo.h"
+#include "../ConcaveDemo/ConcaveDemo.h"
+#include "../ConvexDecompositionDemo/ConvexDecompositionDemo.h"
+#include "../RagdollDemo/RagdollDemo.h"
+
 
 btDemoEntry g_demoEntries[] =
 {
+		{"RagdollDemo",RagdollDemo::Create},
+		{"ConvexDecomposition",ConvexDecompositionDemo::Create},
 		{"CcdPhysicsDemo", CcdPhysicsDemo::Create},
 		{"BasicDemo", BasicDemo::Create},
 		{"BspDemo", BspDemo::Create},
+		{"ConcaveDemo",ConcaveDemo::Create},
 		{0, 0}
 };
 
diff --git a/Demos/AllBulletDemos/Jamfile b/Demos/AllBulletDemos/Jamfile
index 3019367f7..2b3600852 100644
--- a/Demos/AllBulletDemos/Jamfile
+++ b/Demos/AllBulletDemos/Jamfile
@@ -7,5 +7,7 @@ FrameWorkDemo AllBulletDemos :
         ../BspDemo/BspDemo.cpp
         ../BspDemo/BspConverter.cpp
         ../BspDemo/BspLoader.cpp
-
+	../ConcaveDemo/ConcavePhysicsDemo.cpp
+	../ConvexDecompositionDemo/ConvexDecompositionDemo.cpp
+	../RagdollDemo/RagdollDemo.cpp
 ;
diff --git a/Demos/AllBulletDemos/Main.cpp b/Demos/AllBulletDemos/Main.cpp
index 48c29444e..37a925504 100644
--- a/Demos/AllBulletDemos/Main.cpp
+++ b/Demos/AllBulletDemos/Main.cpp
@@ -22,7 +22,6 @@
 #include "LinearMath/btScalar.h"
 #include "LinearMath/btMinMax.h"
 
-#include "Render.h"
 #include "DemoApplication.h"
 #include "DemoEntries.h"
 
@@ -57,8 +56,6 @@ void Resize(int w, int h)
 	glLoadIdentity();
 	double ratio = (double)tw / (double)th;
 
-	gluOrtho2D(viewZoom * (viewX - ratio), viewZoom * (ratio + viewX),
-		viewZoom * (viewY - 0.1), viewZoom * (viewY + 1.9));
 
 	if (demo)
 		demo->reshape(w, h);
@@ -165,7 +162,7 @@ int main(int argc, char** argv)
 
 
 	glutInit(&argc, argv);
-	glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE);
+	glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE |GLUT_DEPTH);
 	glutInitWindowSize(width, height);
 	mainWindow = glutCreateWindow("http://bulletphysics.com");
 	//glutSetOption (GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_GLUTMAINLOOP_RETURNS);
@@ -180,6 +177,7 @@ int main(int argc, char** argv)
 	GLUI_Master.set_glutMouseFunc(Mouse);
 	glutMotionFunc(MouseMotion);
 
+
 	glui = GLUI_Master.create_glui_subwindow( mainWindow, 
 		GLUI_SUBWINDOW_RIGHT );
 
diff --git a/Demos/AllBulletDemos/Render.cpp b/Demos/AllBulletDemos/Render.cpp
deleted file mode 100644
index 95277dbd2..000000000
--- a/Demos/AllBulletDemos/Render.cpp
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
-* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
-*
-* This software is provided 'as-is', without any express or implied
-* warranty.  In no event will the authors be held liable for any damages
-* arising from the use of this software.
-* Permission is granted to anyone to use this software for any purpose,
-* including commercial applications, and to alter it and redistribute it
-* freely, subject to the following restrictions:
-* 1. The origin of this software must not be misrepresented; you must not
-* claim that you wrote the original software. If you use this software
-* in a product, an acknowledgment in the product documentation would be
-* appreciated but is not required.
-* 2. Altered source versions must be plainly marked as such, and must not be
-* misrepresented as being the original software.
-* 3. This notice may not be removed or altered from any source distribution.
-*/
-
-#include "Render.h"
-
-//#include "freeglut/gl/glut.h"
-//think different
-#if defined(__APPLE__) && !defined (VMDMESA)
-#include <OpenGL/gl.h>
-#include <OpenGL/glu.h>
-#include <GLUT/glut.h>
-#else
-#include <GL/glut.h>
-#endif
-
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-
-void DrawString(int x, int y, const char *string, ...)
-{
-	char buffer[128];
-
-	va_list arg;
-	va_start(arg, string);
-	vsprintf(buffer, string, arg);
-	va_end(arg);
-
-	glMatrixMode(GL_PROJECTION);
-	glPushMatrix();
-	glLoadIdentity();
-	int w = glutGet(GLUT_WINDOW_WIDTH);
-	int h = glutGet(GLUT_WINDOW_HEIGHT);
-	gluOrtho2D(0, w, h, 0);
-	glMatrixMode(GL_MODELVIEW);
-	glPushMatrix();
-	glLoadIdentity();
-
-	glColor3f(0.9f, 0.6f, 0.6f);
-	glRasterPos2i(x, y);
-	int length = (int)strlen(buffer);
-	for (int i = 0; i < length; ++i)
-	{
-		glutBitmapCharacter(GLUT_BITMAP_8_BY_13, buffer[i]);
-	}
-
-	glPopMatrix();
-	glMatrixMode(GL_PROJECTION);
-	glPopMatrix();
-	glMatrixMode(GL_MODELVIEW);
-}
-
diff --git a/Demos/AllBulletDemos/Render.h b/Demos/AllBulletDemos/Render.h
deleted file mode 100644
index d2bcd8f06..000000000
--- a/Demos/AllBulletDemos/Render.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
-* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
-*
-* This software is provided 'as-is', without any express or implied
-* warranty.  In no event will the authors be held liable for any damages
-* arising from the use of this software.
-* Permission is granted to anyone to use this software for any purpose,
-* including commercial applications, and to alter it and redistribute it
-* freely, subject to the following restrictions:
-* 1. The origin of this software must not be misrepresented; you must not
-* claim that you wrote the original software. If you use this software
-* in a product, an acknowledgment in the product documentation would be
-* appreciated but is not required.
-* 2. Altered source versions must be plainly marked as such, and must not be
-* misrepresented as being the original software.
-* 3. This notice may not be removed or altered from any source distribution.
-*/
-
-#ifndef RENDER_H
-#define RENDER_H
-
-#include "LinearMath/btScalar.h"
-
-struct Color
-{
-	Color() { cx = 1.0f; cy = 1.0f; cz = 1.0f; }
-	Color(float x, float y, float z) { cx = x; cy = y; cz = z; }
-	float cx, cy, cz;
-};
-
-
-#endif
diff --git a/Demos/BasicDemo/BasicDemo.cpp b/Demos/BasicDemo/BasicDemo.cpp
index 8aaa7b6e8..1e33be9e9 100644
--- a/Demos/BasicDemo/BasicDemo.cpp
+++ b/Demos/BasicDemo/BasicDemo.cpp
@@ -54,7 +54,6 @@ btScalar deltaTime = btScalar(1./60.);
 
 ////////////////////////////////////
 
-GLDebugDrawer debugDrawer;
 
 class myTest
 {
@@ -178,7 +177,6 @@ void	BasicDemo::initPhysics()
 
 	m_dynamicsWorld->setGravity(btVector3(0,-10,0));
 
-	m_dynamicsWorld->setDebugDrawer(&debugDrawer);
 
 	///create a few basic rigid bodies
 
diff --git a/Demos/ConcaveDemo/ConcaveDemo.h b/Demos/ConcaveDemo/ConcaveDemo.h
index f46388503..32faa4731 100644
--- a/Demos/ConcaveDemo/ConcaveDemo.h
+++ b/Demos/ConcaveDemo/ConcaveDemo.h
@@ -40,6 +40,14 @@ class ConcaveDemo : public DemoApplication
 	void	setVertexPositions(float waveheight, float offset);
 	
 	virtual void keyboardCallback(unsigned char key, int x, int y);
+	
+	static DemoApplication* Create()
+	{
+		ConcaveDemo* demo = new ConcaveDemo();
+		demo->myinit();
+		demo->initPhysics();
+		return demo;
+	};
 };
 
 #endif //CONCAVE_DEMO_H
diff --git a/Demos/ConcaveDemo/ConcavePhysicsDemo.cpp b/Demos/ConcaveDemo/ConcavePhysicsDemo.cpp
index 2c0cb3168..e83c63c98 100644
--- a/Demos/ConcaveDemo/ConcavePhysicsDemo.cpp
+++ b/Demos/ConcaveDemo/ConcavePhysicsDemo.cpp
@@ -29,8 +29,6 @@ subject to the following restrictions:
 
 
 
-GLDebugDrawer	debugDrawer;
-class btIDebugDraw* debugDrawerPtr=0;
 
 btVector3*	gVertices=0;
 int*	gIndices=0;
@@ -97,20 +95,6 @@ bool CustomMaterialCombinerCallback(btManifoldPoint& cp,	const btCollisionObject
 
 extern ContactAddedCallback		gContactAddedCallback;
 
-
-
-int main(int argc,char** argv)
-{
-	gContactAddedCallback = CustomMaterialCombinerCallback;
-
-	ConcaveDemo* concaveDemo = new ConcaveDemo();
-	concaveDemo->initPhysics();
-	concaveDemo->setCameraDistance(30.f);
-
-	return glutmain(argc, argv,640,480,"Static Concave Mesh Demo",concaveDemo);
-}
-
-
 	const int NUM_VERTS_X = 30;
 	const int NUM_VERTS_Y = 30;
 	const int totalVerts = NUM_VERTS_X*NUM_VERTS_Y;
@@ -156,6 +140,9 @@ void	ConcaveDemo::initPhysics()
 {
 	#define TRISIZE 10.f
 
+     gContactAddedCallback = CustomMaterialCombinerCallback;
+
+
 	int vertStride = sizeof(btVector3);
 	int indexStride = 3*sizeof(int);
 
@@ -274,8 +261,6 @@ btDefaultCollisionConfiguration* collisionConfiguration = new btDefaultCollision
 #ifdef USE_PARALLEL_DISPATCHER
 	m_dynamicsWorld->getDispatchInfo().m_enableSPU=true;
 #endif //USE_PARALLEL_DISPATCHER
-	m_dynamicsWorld->setDebugDrawer(&debugDrawer);
-	debugDrawerPtr = &debugDrawer;
 	
 	float mass = 0.f;
 	btTransform	startTransform;
diff --git a/Demos/ConcaveDemo/main.cpp b/Demos/ConcaveDemo/main.cpp
new file mode 100644
index 000000000..2c72b3bf1
--- /dev/null
+++ b/Demos/ConcaveDemo/main.cpp
@@ -0,0 +1,15 @@
+
+#include "ConcaveDemo.h"
+#include "GlutStuff.h"
+
+
+int main(int argc,char** argv)
+{
+
+        ConcaveDemo* concaveDemo = new ConcaveDemo();
+        concaveDemo->initPhysics();
+        concaveDemo->setCameraDistance(30.f);
+
+        return glutmain(argc, argv,640,480,"Static Concave Mesh Demo",concaveDemo);
+}
+
diff --git a/Demos/ConvexDecompositionDemo/ConvexDecompositionDemo.cpp b/Demos/ConvexDecompositionDemo/ConvexDecompositionDemo.cpp
index 19458e753..8caead641 100644
--- a/Demos/ConvexDecompositionDemo/ConvexDecompositionDemo.cpp
+++ b/Demos/ConvexDecompositionDemo/ConvexDecompositionDemo.cpp
@@ -39,7 +39,6 @@ subject to the following restrictions:
 #include <stdio.h> //printf debugging
 #include <vector>
 
-float deltaTime = 1.f/60.f;
 
 #include "ConvexDecompositionDemo.h"
 #include "GL_ShapeDrawer.h"
@@ -48,13 +47,13 @@ float deltaTime = 1.f/60.f;
 
 const int maxNumObjects = 450;
 
-int	shapeIndex[maxNumObjects];
+static int	shapeIndex[maxNumObjects];
 
 btVector3	centroid;
 
 #define CUBE_HALF_EXTENTS 4
 
-btCollisionShape* shapePtr[maxNumObjects];
+static btCollisionShape* shapePtr[maxNumObjects];
 
 
 
@@ -65,24 +64,6 @@ unsigned int tcount = 0;
 
 GLDebugDrawer debugDrawer;
 
-int main(int argc,char** argv)
-{
-	const char* filename = "file.obj";
-
-
-	ConvexDecompositionDemo* convexDecompDemo = new ConvexDecompositionDemo();
-
-	convexDecompDemo->initPhysics(filename);
-
-
-
-	convexDecompDemo->clientResetScene();
-
-	convexDecompDemo->setCameraDistance(26.f);
-
-	return glutmain(argc, argv,640,480,"Bullet Physics Demo. http://www.continuousphysics.com/Bullet/phpBB2/",convexDecompDemo);
-}
-
 void ConvexDecompositionDemo::initPhysics(const char* filename)
 {
 	ConvexDecomposition::WavefrontObj wo;
diff --git a/Demos/ConvexDecompositionDemo/ConvexDecompositionDemo.h b/Demos/ConvexDecompositionDemo/ConvexDecompositionDemo.h
index 469e93559..f1bcf3969 100644
--- a/Demos/ConvexDecompositionDemo/ConvexDecompositionDemo.h
+++ b/Demos/ConvexDecompositionDemo/ConvexDecompositionDemo.h
@@ -27,7 +27,14 @@ class ConvexDecompositionDemo : public DemoApplication
 	virtual void clientMoveAndDisplay();
 
 	virtual void displayCallback();
-	
+
+	static DemoApplication* Create()
+	{
+		ConvexDecompositionDemo* demo = new ConvexDecompositionDemo();
+		demo->myinit();
+		demo->initPhysics("file.obj");
+		return demo;
+	}	
 	
 	
 };
diff --git a/Demos/ConvexDecompositionDemo/main.cpp b/Demos/ConvexDecompositionDemo/main.cpp
new file mode 100644
index 000000000..ba7855d3e
--- /dev/null
+++ b/Demos/ConvexDecompositionDemo/main.cpp
@@ -0,0 +1,24 @@
+
+
+#include "ConvexDecompositionDemo.h"
+#include "GlutStuff.h"
+
+
+int main(int argc,char** argv)
+{
+        const char* filename = "file.obj";
+
+
+        ConvexDecompositionDemo* convexDecompDemo = new ConvexDecompositionDemo();
+
+        convexDecompDemo->initPhysics(filename);
+
+
+
+        convexDecompDemo->clientResetScene();
+
+        convexDecompDemo->setCameraDistance(26.f);
+
+        return glutmain(argc, argv,640,480,"Bullet Physics Demo. http://www.continuousphysics.com/Bullet/phpBB2/",convexDecompDemo);
+}
+
diff --git a/Demos/Jamfile b/Demos/Jamfile
index 41199429c..1161ff5f5 100644
--- a/Demos/Jamfile
+++ b/Demos/Jamfile
@@ -35,15 +35,17 @@ if $(GLUT.AVAILABLE) = "yes"
   rule FrameWorkDemo
   {
     Application $(<) : $(>) : noinstall console nomanifest ;
-    LinkWith $(<) :   bulletopenglsupport bulletdynamics bulletcollision bulletmath glui ;
+    LinkWith $(<) :   bulletopenglsupport convexdecomposition bulletdynamics bulletcollision bulletmath glui ;
     CFlags $(<) :
           [ FIncludes $(TOP)/Extras ]
          [ FIncludes $(TOP)/Demos/OpenGL ]
+	[ FIncludes $(TOP)/Extras/ConvexDecomposition ]
     ;
     MsvcIncDirs $(<) :
         "../../Extras"
         "../../src"
         "../../Demos/OpenGL"
+	"../../Extras/ConvexDecomposition"
 ;
 
   }
diff --git a/Demos/RagdollDemo/RagdollDemo.cpp b/Demos/RagdollDemo/RagdollDemo.cpp
index 295f06172..91dcbbf15 100644
--- a/Demos/RagdollDemo/RagdollDemo.cpp
+++ b/Demos/RagdollDemo/RagdollDemo.cpp
@@ -26,7 +26,6 @@ Written by: Marten Svanfeldt
 #include "GLDebugDrawer.h"
 #include "RagdollDemo.h"
 
-GLDebugDrawer debugDrawer;
 
 // Enrico: Shouldn't these three variables be real constants and not defines?
 
@@ -303,16 +302,6 @@ public:
 
 
 
-int main(int argc,char* argv[])
-{
-	RagdollDemo demoApp;
-
-	demoApp.initPhysics();
-	demoApp.setCameraDistance(btScalar(10.));
-
-	return glutmain(argc, argv,640,480,"Bullet Physics Demo. http://bullet.sf.net",&demoApp);
-}
-
 
 void RagdollDemo::initPhysics()
 {
@@ -330,7 +319,6 @@ void RagdollDemo::initPhysics()
 
 	m_dynamicsWorld = new btDiscreteDynamicsWorld(dispatcher,overlappingPairCache,solver,collisionConfiguration);
 
-	m_dynamicsWorld->setDebugDrawer(&debugDrawer);
 
 	// Setup a big ground box
 	{
diff --git a/Demos/RagdollDemo/RagdollDemo.h b/Demos/RagdollDemo/RagdollDemo.h
index dfc305967..becd87427 100644
--- a/Demos/RagdollDemo/RagdollDemo.h
+++ b/Demos/RagdollDemo/RagdollDemo.h
@@ -37,6 +37,15 @@ public:
 	virtual void displayCallback();
 
 	virtual void keyboardCallback(unsigned char key, int x, int y);
+
+	static DemoApplication* Create()
+	{
+		RagdollDemo* demo = new RagdollDemo();
+		demo->myinit();
+		demo->initPhysics();
+		return demo;
+	}
+	
 };
 
 
diff --git a/Demos/RagdollDemo/main.cpp b/Demos/RagdollDemo/main.cpp
new file mode 100644
index 000000000..1897939dc
--- /dev/null
+++ b/Demos/RagdollDemo/main.cpp
@@ -0,0 +1,13 @@
+
+#include "RagdollDemo.h"
+#include "GlutStuff.h"
+
+int main(int argc,char* argv[])
+{
+        RagdollDemo demoApp;
+
+        demoApp.initPhysics();
+        demoApp.setCameraDistance(btScalar(10.));
+
+        return glutmain(argc, argv,640,480,"Bullet Physics Demo. http://bullet.sf.net",&demoApp);
+}