diff --git a/engine/src/core-data/Common/MatDefs/Blur/HGaussianBlur.frag b/engine/src/core-data/Common/MatDefs/Blur/HGaussianBlur.frag
index ee22b51dc..35ba78bb9 100644
--- a/engine/src/core-data/Common/MatDefs/Blur/HGaussianBlur.frag
+++ b/engine/src/core-data/Common/MatDefs/Blur/HGaussianBlur.frag
@@ -1,11 +1,11 @@
 uniform sampler2D m_Texture; // this should hold the texture rendered by the horizontal blur pass
 uniform float m_Size;
 uniform float m_Scale;
-varying vec2 texCoord;
 
+varying vec2 texCoord;
 
-void main(void)
-{  float blurSize = m_Scale/m_Size;
+void main(){ 
+   float blurSize = m_Scale/m_Size;
    vec4 sum = vec4(0.0);
 
    // blur in x (vertical)
diff --git a/engine/src/core-data/Common/MatDefs/Misc/Particle.j3md b/engine/src/core-data/Common/MatDefs/Misc/Particle.j3md
index c33d91d4f..e28d41ab3 100644
--- a/engine/src/core-data/Common/MatDefs/Misc/Particle.j3md
+++ b/engine/src/core-data/Common/MatDefs/Misc/Particle.j3md
@@ -82,6 +82,8 @@ MaterialDef Point Sprite {
 
         RenderState {
             PointSprite On
+            Blend AlphaAdditive
+            DepthWrite Off
         }
     }
 }
\ No newline at end of file
diff --git a/engine/src/core-data/Common/MatDefs/Post/bloomExtract.frag b/engine/src/core-data/Common/MatDefs/Post/bloomExtract.frag
index e11c6119b..23aa45e28 100644
--- a/engine/src/core-data/Common/MatDefs/Post/bloomExtract.frag
+++ b/engine/src/core-data/Common/MatDefs/Post/bloomExtract.frag
@@ -1,16 +1,14 @@
 uniform float m_ExposurePow;
 uniform float m_ExposureCutoff;
 uniform sampler2D m_Texture;
-varying vec2 texCoord;
 
+varying vec2 texCoord;
 
 #ifdef HAS_GLOWMAP
   uniform sampler2D m_GlowMap;
 #endif
 
-
-void main(void)
-{ 
+void main(){ 
    vec4 color = vec4(0.0);
    #ifdef DO_EXTRACT
     color = texture2D( m_Texture, texCoord );
@@ -22,9 +20,9 @@ void main(void)
    #endif
 
    #ifdef HAS_GLOWMAP
-        vec4 glowColor = texture2D( m_GlowMap, texCoord );
-        glowColor = pow(glowColor,vec4(m_ExposurePow));
-        color+=glowColor;
+        vec4 glowColor = texture2D(m_GlowMap, texCoord);
+        glowColor = pow(glowColor, vec4(m_ExposurePow));
+        color += glowColor;
    #endif
    
    gl_FragColor = color;
diff --git a/engine/src/core-data/Common/MatDefs/Post/bloomExtract15.frag b/engine/src/core-data/Common/MatDefs/Post/bloomExtract15.frag
index aeb2e1105..7194f9c7d 100644
--- a/engine/src/core-data/Common/MatDefs/Post/bloomExtract15.frag
+++ b/engine/src/core-data/Common/MatDefs/Post/bloomExtract15.frag
@@ -15,10 +15,12 @@ out vec4 outFragColor;
 void main(){
    vec4 color = vec4(0.0);
    #ifdef DO_EXTRACT
-     color = getColor(m_Texture, texCoord);
+     color = getColorSingle(m_Texture, texCoord);
      if ( (color.r + color.g + color.b) / 3.0 >= m_ExposureCutoff ) {
          color = pow(color, vec4(m_ExposurePow));
-      }
+     }else{
+         color = vec4(0.0);
+     }
    #endif
 
    #ifdef HAS_GLOWMAP
diff --git a/engine/src/core-data/Common/MatDefs/Post/bloomFinal.frag b/engine/src/core-data/Common/MatDefs/Post/bloomFinal.frag
index b9d2ead66..9499e589c 100644
--- a/engine/src/core-data/Common/MatDefs/Post/bloomFinal.frag
+++ b/engine/src/core-data/Common/MatDefs/Post/bloomFinal.frag
@@ -1,18 +1,12 @@
-//uniform float exposurePow;
-//uniform float exposureCutoff;
 uniform sampler2D m_Texture;
 uniform sampler2D m_BloomTex;
 uniform float m_BloomIntensity;
 
 varying vec2 texCoord;
 
-
-
-void main(void)
-{
-  
-   vec4 colorRes=texture2D(m_Texture, texCoord);
-   vec4 bloom=texture2D(m_BloomTex, texCoord);
-   gl_FragColor =bloom*m_BloomIntensity+colorRes;
+void main(){
+   vec4 colorRes = texture2D(m_Texture, texCoord);
+   vec4 bloom = texture2D(m_BloomTex, texCoord);
+   gl_FragColor = bloom * m_BloomIntensity + colorRes;
 }
 
diff --git a/engine/src/core-data/Common/MatDefs/Post/bloomFinal15.frag b/engine/src/core-data/Common/MatDefs/Post/bloomFinal15.frag
index c795145f9..34268c565 100644
--- a/engine/src/core-data/Common/MatDefs/Post/bloomFinal15.frag
+++ b/engine/src/core-data/Common/MatDefs/Post/bloomFinal15.frag
@@ -7,10 +7,9 @@ uniform float m_BloomIntensity;
 
 in vec2 texCoord;
 
-void main(void)
-{
+void main(){
   vec4 colorRes = getColor(m_Texture,texCoord);
   vec4 bloom = texture2D(m_BloomTex, texCoord);
-  gl_FragColor =bloom * m_BloomIntensity + colorRes;
+  gl_FragColor = bloom * m_BloomIntensity + colorRes;
 }
 
diff --git a/engine/src/core-data/Common/ShaderLib/MultiSample.glsllib b/engine/src/core-data/Common/ShaderLib/MultiSample.glsllib
index e1f8f92a5..f5936c008 100644
--- a/engine/src/core-data/Common/ShaderLib/MultiSample.glsllib
+++ b/engine/src/core-data/Common/ShaderLib/MultiSample.glsllib
@@ -37,7 +37,16 @@ vec4 getColor(in sampler2D tex, in vec2 texC){
 }
 
 vec4 getColor(in sampler2DMS tex, in vec2 texC){
-      return textureFetch(tex,texC,m_NumSamples);
+      return textureFetch(tex, texC, m_NumSamples);
+}
+
+vec4 getColorSingle(in sampler2D tex, in vec2 texC){
+    return texture2D(tex, texC);
+}
+
+vec4 getColorSingle(in sampler2DMS tex, in vec2 texC){
+    ivec2 iTexC = ivec2(texC * textureSize(tex));
+    return texelFetch(tex, iTexC, 0);
 }
 
 vec4 getDepth(in sampler2D tex,in vec2 texC){
diff --git a/engine/src/core/com/jme3/effect/ParticleEmitter.java b/engine/src/core/com/jme3/effect/ParticleEmitter.java
index 0ee6313ba..9059ab52e 100644
--- a/engine/src/core/com/jme3/effect/ParticleEmitter.java
+++ b/engine/src/core/com/jme3/effect/ParticleEmitter.java
@@ -168,6 +168,11 @@ public class ParticleEmitter extends Geometry {
         meshType = type;
 
         this.setNumParticles(numParticles);
+        
+        // Must create clone of shape/influencer so that a reference to a static is 
+        // not maintained
+        shape = shape.deepClone();
+        particleInfluencer = particleInfluencer.clone();
 
         controls.add(control);
 
@@ -836,7 +841,6 @@ public class ParticleEmitter extends Geometry {
 
         TempVars vars = TempVars.get();
 
-
         BoundingBox bbox = (BoundingBox) this.getMesh().getBound();
 
         Vector3f min = vars.vect1;
@@ -852,9 +856,7 @@ public class ParticleEmitter extends Geometry {
             max.set(Vector3f.NEGATIVE_INFINITY);
         }
 
-        while (this.emitParticle(min, max)) {
-            ;
-        }
+        while (emitParticle(min, max));
 
         bbox.setMinMax(min, max);
         this.setBoundRefresh();
@@ -1080,6 +1082,12 @@ public class ParticleEmitter extends Geometry {
         super.read(im);
         InputCapsule ic = im.getCapsule(this);
         shape = (EmitterShape) ic.readSavable("shape", DEFAULT_SHAPE);
+        
+        if (shape == DEFAULT_SHAPE){
+            // Prevent reference to static
+            shape = shape.deepClone();
+        }
+        
         meshType = ic.readEnum("meshType", ParticleMesh.Type.class, ParticleMesh.Type.Triangle);
         int numParticles = ic.readInt("numParticles", 0);
         this.setNumParticles(numParticles);
@@ -1117,6 +1125,9 @@ public class ParticleEmitter extends Geometry {
         particleMesh.initParticleData(this, particles.length);
 
         particleInfluencer = (ParticleInfluencer) ic.readSavable("influencer", DEFAULT_INFLUENCER);
+        if (particleInfluencer == DEFAULT_INFLUENCER){
+            particleInfluencer = particleInfluencer.clone();
+        }
 
         if (im.getFormatVersion() == 0){
             // compatibility before the control inside particle emitter
diff --git a/engine/src/core/com/jme3/effect/ParticleTriMesh.java b/engine/src/core/com/jme3/effect/ParticleTriMesh.java
index 8ce619734..55bd936cc 100644
--- a/engine/src/core/com/jme3/effect/ParticleTriMesh.java
+++ b/engine/src/core/com/jme3/effect/ParticleTriMesh.java
@@ -177,9 +177,10 @@ public class ParticleTriMesh extends ParticleMesh {
             }
             
             if (facingVelocity){
-                left.set(p.velocity).normalizeLocal().multLocal(p.size);
+                left.set(p.velocity).normalizeLocal();
                 camDir.cross(left, up);
                 up.multLocal(p.size);
+                left.multLocal(p.size);
             }else if (faceNormal != null){
                 up.set(faceNormal).crossLocal(Vector3f.UNIT_X);
                 faceNormal.cross(up, left);
diff --git a/engine/src/core/com/jme3/effect/influencers/DefaultParticleInfluencer.java b/engine/src/core/com/jme3/effect/influencers/DefaultParticleInfluencer.java
index 22a9c6a8d..ade14069c 100644
--- a/engine/src/core/com/jme3/effect/influencers/DefaultParticleInfluencer.java
+++ b/engine/src/core/com/jme3/effect/influencers/DefaultParticleInfluencer.java
@@ -63,9 +63,11 @@ public class DefaultParticleInfluencer implements ParticleInfluencer {
     @Override
     public ParticleInfluencer clone() {
         try {
-            return (ParticleInfluencer) super.clone();
+            DefaultParticleInfluencer clone = (DefaultParticleInfluencer) super.clone();
+            clone.startVelocity = startVelocity.clone();
+            return clone;
         } catch (CloneNotSupportedException e) {
-            return null;
+            throw new AssertionError();
         }
     }
 
diff --git a/engine/src/core/com/jme3/effect/influencers/EmptyParticleInfluencer.java b/engine/src/core/com/jme3/effect/influencers/EmptyParticleInfluencer.java
index 56265a77e..dced19646 100644
--- a/engine/src/core/com/jme3/effect/influencers/EmptyParticleInfluencer.java
+++ b/engine/src/core/com/jme3/effect/influencers/EmptyParticleInfluencer.java
@@ -50,7 +50,7 @@ public class EmptyParticleInfluencer implements ParticleInfluencer {
         try {
             return (ParticleInfluencer) super.clone();
         } catch (CloneNotSupportedException e) {
-            return new EmptyParticleInfluencer();
+            throw new AssertionError();
         }
     }
 }
diff --git a/engine/src/desktop/com/jme3/app/state/ScreenshotAppState.java b/engine/src/desktop/com/jme3/app/state/ScreenshotAppState.java
index d7ddfc300..ba2556df4 100644
--- a/engine/src/desktop/com/jme3/app/state/ScreenshotAppState.java
+++ b/engine/src/desktop/com/jme3/app/state/ScreenshotAppState.java
@@ -34,17 +34,19 @@ public class ScreenshotAppState extends AbstractAppState implements ActionListen
 
     @Override
     public void initialize(AppStateManager stateManager, Application app) {
-        super.initialize(stateManager, app);
-
-        InputManager inputManager = app.getInputManager();
-        inputManager.addMapping("ScreenShot", new KeyTrigger(KeyInput.KEY_SYSRQ));
-        inputManager.addListener(this, "ScreenShot");
+        if (!super.isInitialized()){
+            InputManager inputManager = app.getInputManager();
+            inputManager.addMapping("ScreenShot", new KeyTrigger(KeyInput.KEY_SYSRQ));
+            inputManager.addListener(this, "ScreenShot");
 
-        List<ViewPort> vps = app.getRenderManager().getPostViews();
-        ViewPort last = vps.get(vps.size()-1);
-        last.addProcessor(this);
+            List<ViewPort> vps = app.getRenderManager().getPostViews();
+            ViewPort last = vps.get(vps.size()-1);
+            last.addProcessor(this);
 
-        appName = app.getClass().getSimpleName();
+            appName = app.getClass().getSimpleName();
+        }
+        
+        super.initialize(stateManager, app);
     }
 
     public void onAction(String name, boolean value, float tpf) {
diff --git a/engine/src/test/jme3test/effect/TestEverything.java b/engine/src/test/jme3test/effect/TestEverything.java
index d30821b00..b358815b4 100644
--- a/engine/src/test/jme3test/effect/TestEverything.java
+++ b/engine/src/test/jme3test/effect/TestEverything.java
@@ -54,6 +54,7 @@ import com.jme3.shadow.BasicShadowRenderer;
 import com.jme3.texture.Texture;
 import com.jme3.texture.Texture.WrapMode;
 import com.jme3.util.SkyFactory;
+import com.jme3.util.TangentBinormalGenerator;
 
 public class TestEverything extends SimpleApplication {
 
@@ -127,11 +128,13 @@ public class TestEverything extends SimpleApplication {
     }
 
     public void setupFloor(){
-        Material mat = assetManager.loadMaterial("Textures/Terrain/BrickWall/BrickWall.j3m");
+        Material mat = assetManager.loadMaterial("Textures/Terrain/Cobblestone/Cobblestone.j3m");
         mat.getTextureParam("DiffuseMap").getTextureValue().setWrap(WrapMode.Repeat);
         mat.getTextureParam("NormalMap").getTextureValue().setWrap(WrapMode.Repeat);
         mat.getTextureParam("ParallaxMap").getTextureValue().setWrap(WrapMode.Repeat);
+        
         Box floor = new Box(Vector3f.ZERO, 50, 1f, 50);
+        TangentBinormalGenerator.generate(floor);
         floor.scaleTextureCoordinates(new Vector2f(5, 5));
         Geometry floorGeom = new Geometry("Floor", floor);
         floorGeom.setMaterial(mat);
diff --git a/engine/src/test/jme3test/effect/TestExplosionEffect.java b/engine/src/test/jme3test/effect/TestExplosionEffect.java
index e9aae6c7d..7ceae96bc 100644
--- a/engine/src/test/jme3test/effect/TestExplosionEffect.java
+++ b/engine/src/test/jme3test/effect/TestExplosionEffect.java
@@ -75,8 +75,8 @@ public class TestExplosionEffect extends SimpleApplication {
         flame.setGravity(0, -5, 0);
         flame.setLowLife(.4f);
         flame.setHighLife(.5f);
-        flame.setInitialVelocity(new Vector3f(0, 7, 0));
-        flame.setVelocityVariation(1f);
+        flame.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 7, 0));
+        flame.getParticleInfluencer().setVelocityVariation(1f);
         flame.setImagesX(2);
         flame.setImagesY(2);
         Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
@@ -137,15 +137,13 @@ public class TestExplosionEffect extends SimpleApplication {
         spark.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
         spark.setStartSize(.5f);
         spark.setEndSize(.5f);
-
-//        spark.setShape(new EmitterSphereShape(Vector3f.ZERO, .05f));
         spark.setFacingVelocity(true);
         spark.setParticlesPerSec(0);
         spark.setGravity(0, 5, 0);
         spark.setLowLife(1.1f);
         spark.setHighLife(1.5f);
-        spark.setInitialVelocity(new Vector3f(0, 20, 0));
-        spark.setVelocityVariation(1);
+        spark.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 20, 0));
+        spark.getParticleInfluencer().setVelocityVariation(1);
         spark.setImagesX(1);
         spark.setImagesY(1);
         Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");