diff --git a/.gitignore b/.gitignore
index ae3c172..743bbf5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
+bin
 /bin/
diff --git a/res/inventory-demo.gif b/res/inventory-demo.gif
new file mode 100644
index 0000000..387ebe8
Binary files /dev/null and b/res/inventory-demo.gif differ
diff --git a/res/lighting-demo.gif b/res/lighting-demo.gif
new file mode 100644
index 0000000..8e04d03
Binary files /dev/null and b/res/lighting-demo.gif differ
diff --git a/res/physics-demo.gif b/res/physics-demo.gif
new file mode 100644
index 0000000..1904320
Binary files /dev/null and b/res/physics-demo.gif differ
diff --git a/src/sjgs/__example_games/__PhysicsDemonstration.java b/src/sjgs/__example_games/__PhysicsDemonstration.java
index bd9cec4..b1f6b7d 100755
--- a/src/sjgs/__example_games/__PhysicsDemonstration.java
+++ b/src/sjgs/__example_games/__PhysicsDemonstration.java
@@ -249,9 +249,9 @@ class __PhysicsDemonstration extends Engine {
 			if(Keyboard.D()) { player.setVelX(walkingVelocity); player.setFacing(Facing.RIGHT); }
 			else if(Keyboard.A()) { player.setVelX(-walkingVelocity); player.setFacing(Facing.LEFT); }
 			if(Keyboard.SPACE()) if(!player.getJumping()) { player.setJumping(true); player.setVelY(-15f); }
-			if(Keyboard.E()) new ExampleObject(player.getCenter().x, player.getCenter().y, 20, 20, true);
+			if(Keyboard.E() || Keyboard.C()) new ExampleObject(player.getCenter().x, player.getCenter().y, 20, 20, true);
 			if(Keyboard.R()) engine.generateWorld();
-			if(Keyboard.F()) {
+			if(Keyboard.F() || Keyboard.V()) {
 				final float velX = player.facingLeft() ? -15 : 15;
 				new ExampleBullet(player.getCenter().x, player.getCenter().y, 40, 40, velX, 0, 75, 225, Colors.orange);
 			}