diff --git a/resources/textures/testimg.png b/resources/textures/testimg.png
deleted file mode 100644
index ffe963e..0000000
Binary files a/resources/textures/testimg.png and /dev/null differ
diff --git a/resources/textures/thonk.png b/resources/textures/thonk.png
new file mode 100644
index 0000000..a166634
Binary files /dev/null and b/resources/textures/thonk.png differ
diff --git a/src/Test.java b/src/Test.java
index 45cb36a..71cfeb3 100644
--- a/src/Test.java
+++ b/src/Test.java
@@ -24,7 +24,7 @@ public class Test {
 			0, 1, 2,
 			0, 2, 3
 
-	}, new Material(new Texture("resources/textures/testimg.png")));
+	}, new Material(new Texture("resources/textures/thonk.png")));
 
 	public void run() throws Exception {
 		setup();
@@ -49,7 +49,7 @@ public class Test {
 		display.create();
 		shader = new Shader("/resources/shaders/mainVertex.glsl", "/resources/shaders/mainFragment.glsl");
 		renderer = new Renderer(shader);
-		display.setBackgroundColor(1F, 0, 0);
+		display.setBackgroundColor(1F, 1F, 1F);
 		mesh.create();
 		shader.create();
 
diff --git a/src/org/hl/engine/graphics/Vertex.java b/src/org/hl/engine/graphics/Vertex.java
index 3270b27..99a58d7 100644
--- a/src/org/hl/engine/graphics/Vertex.java
+++ b/src/org/hl/engine/graphics/Vertex.java
@@ -10,9 +10,10 @@ public class Vertex {
 	private Vector3f color;
 	private Vector2f textureCoords;
 
-	public Vertex (Vector3f position, Vector3f color, Vector2f texture) {
+	public Vertex (Vector3f position, Vector3f color, Vector2f textureCoords) {
 		this.position = position;
 		this.color = color;
+		this.textureCoords = textureCoords;
 	}
 
 	public Vector3f getPosition() {
diff --git a/src/org/hl/engine/io/Display.java b/src/org/hl/engine/io/Display.java
index 47c94bc..5303606 100644
--- a/src/org/hl/engine/io/Display.java
+++ b/src/org/hl/engine/io/Display.java
@@ -1,5 +1,6 @@
 package org.hl.engine.io;
 import org.hl.engine.math.lalg.Vector3f;
+import org.lwjgl.glfw.GLFWErrorCallback;
 import org.lwjgl.glfw.GLFWVidMode;
 import org.lwjgl.glfw.GLFWWindowSizeCallback;
 import org.lwjgl.opengl.GL;
@@ -96,6 +97,8 @@ public class Display {
 	// Creates the window (should go in the init() function of your Main program)
 	public void create() throws Exception {
 
+		GLFWErrorCallback.createPrint(System.err).set();
+
 		// initializing glfw
 		if (!glfwInit()) {
 			//System.err.println("Failed to initialize GLFW! ");
@@ -104,7 +107,7 @@ public class Display {
 		}
 
 		glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
-		glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 6);
+		glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
 		glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL11.GL_TRUE);
 		glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
@@ -190,6 +193,7 @@ public class Display {
 	// Completely DESTROYS the window
 	public void destroy() {
 		resizeCallback.free();
+		glfwSetErrorCallback(null).free();
 		glfwDestroyWindow(window);
 		glfwTerminate();
 	}
diff --git a/src/resources/shaders/mainFragment.glsl b/src/resources/shaders/mainFragment.glsl
index 3f034ff..9ad7039 100644
--- a/src/resources/shaders/mainFragment.glsl
+++ b/src/resources/shaders/mainFragment.glsl
@@ -1,9 +1,9 @@
 #version 410 core
 
-in vec3 passColor;
-in vec2 passTextureCoord;
+layout(location = 0) in vec3 passColor;
+layout(location = 1) in vec2 passTextureCoord;
 
-out vec4 outColor;
+layout(location = 0) out vec4 outColor;
 
 uniform sampler2D tex;
 
diff --git a/src/resources/shaders/mainVertex.glsl b/src/resources/shaders/mainVertex.glsl
index 172bf89..3544e06 100644
--- a/src/resources/shaders/mainVertex.glsl
+++ b/src/resources/shaders/mainVertex.glsl
@@ -1,11 +1,11 @@
 #version 410 core
 
-in vec3 position;
-in vec3 color;
-in vec2 textureCoord;
+layout(location = 0) in vec3 position;
+layout(location = 1) in vec3 color;
+layout(location = 2) in vec2 textureCoord;
 
-out vec3 passColor;
-out vec2 passTextureCoord;
+layout(location = 0) out vec3 passColor;
+layout(location = 1) out vec2 passTextureCoord;
 
 void main() {
     gl_Position = vec4(position, 1.0);
diff --git a/src/resources/textures/testimg.png b/src/resources/textures/testimg.png
deleted file mode 100644
index ffe963e..0000000
Binary files a/src/resources/textures/testimg.png and /dev/null differ