diff --git a/libraries/fbx/src/FBXReader.cpp b/libraries/fbx/src/FBXReader.cpp
index ca4ccc294f..396859f3f8 100644
--- a/libraries/fbx/src/FBXReader.cpp
+++ b/libraries/fbx/src/FBXReader.cpp
@@ -1746,8 +1746,12 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping,
                     material.id = getID(object.properties);
 
                     material._material = model::MaterialPointer(new model::Material());
-                    material._material->setEmissive(material.emissive); 
-                    material._material->setDiffuse(material.diffuse); 
+                    material._material->setEmissive(material.emissive);
+                    if (glm::all(glm::equal(material.diffuse, glm::vec3(0.0f)))) {
+                        material._material->setDiffuse(material.diffuse); 
+                    } else {
+                        material._material->setDiffuse(material.diffuse); 
+                    }
                     material._material->setSpecular(material.specular); 
                     material._material->setShininess(material.shininess); 
 
diff --git a/libraries/gpu/src/gpu/GLBackendOutput.cpp b/libraries/gpu/src/gpu/GLBackendOutput.cpp
index dd8e9c68b6..7b2deb64d2 100755
--- a/libraries/gpu/src/gpu/GLBackendOutput.cpp
+++ b/libraries/gpu/src/gpu/GLBackendOutput.cpp
@@ -75,7 +75,7 @@ GLBackend::GLFramebuffer* GLBackend::syncGPUObject(const Framebuffer& framebuffe
             }
         }
 #if (GPU_FEATURE_PROFILE == GPU_LEGACY)
-        // for reasons that i don;t understand yet, it seems that on mac gl, a fbo must have a color buffer...
+        // for reasons that i don't understand yet, it seems that on mac gl, a fbo must have a color buffer...
         else {
             GLuint renderBuffer = 0;
             glGenRenderbuffers(1, &renderBuffer);
diff --git a/libraries/render-utils/src/TextureCache.cpp b/libraries/render-utils/src/TextureCache.cpp
index 63ca43725b..616ff13dce 100644
--- a/libraries/render-utils/src/TextureCache.cpp
+++ b/libraries/render-utils/src/TextureCache.cpp
@@ -19,6 +19,7 @@
 #include <QResizeEvent>
 #include <QRunnable>
 #include <QThreadPool>
+#include <qimagereader.h>
 
 #include <glm/glm.hpp>
 #include <glm/gtc/random.hpp>
@@ -28,6 +29,8 @@
 
 #include "gpu/GLBackend.h"
 
+#include <mutex>
+
 TextureCache::TextureCache() :
     _permutationNormalTexture(0),
     _whiteTexture(0),
@@ -344,27 +347,7 @@ NetworkTexture::NetworkTexture(const QUrl& url, TextureType type, const QByteArr
         _loaded = true;
     }
 
-    // default to white/blue/black
-  /*  glBindTexture(GL_TEXTURE_2D, getID());
-    switch (type) {
-        case NORMAL_TEXTURE:
-            loadSingleColorTexture(OPAQUE_BLUE);  
-            break;
-        
-        case SPECULAR_TEXTURE:
-            loadSingleColorTexture(OPAQUE_BLACK);  
-            break;
-            
-        case SPLAT_TEXTURE:
-            loadSingleColorTexture(TRANSPARENT_WHITE);   
-            break;
-            
-        default:
-            loadSingleColorTexture(OPAQUE_WHITE);        
-            break;
-    }
-    glBindTexture(GL_TEXTURE_2D, 0);
-    */
+    std::string theName = url.toString().toStdString();
     // if we have content, load it after we have our self pointer
     if (!content.isEmpty()) {
         _startedLoading = true;
@@ -396,6 +379,18 @@ ImageReader::ImageReader(const QWeakPointer<Resource>& texture, QNetworkReply* r
     _content(content) {
 }
 
+std::once_flag onceListSuppoertedFormatsflag;
+void listSupportedImageFormats() {
+    std::call_once(onceListSuppoertedFormatsflag, [](){
+        auto supportedFormats = QImageReader::supportedImageFormats();
+        QString formats;
+        foreach(const QByteArray& f, supportedFormats) {
+            formats += QString(f) + ",";
+        }
+        qCDebug(renderutils) << "List of supported Image formats:" << formats;
+    });
+}
+
 void ImageReader::run() {
     QSharedPointer<Resource> texture = _texture.toStrongRef();
     if (texture.isNull()) {
@@ -409,11 +404,29 @@ void ImageReader::run() {
         _content = _reply->readAll();
         _reply->deleteLater();
     }
-    QImage image = QImage::fromData(_content);
 
+    listSupportedImageFormats();
+
+    // try to help the QImage loader by extracting the image file format from the url filename ext
+    // Some tga are not created properly for example without it
+    auto filename = _url.fileName().toStdString();
+    auto filenameExtension = filename.substr(filename.find_last_of('.') + 1);
+    QImage image = QImage::fromData(_content, filenameExtension.c_str());
+
+    // Note that QImage.format is the pixel format which is different from the "format" of the image file...
+    auto imageFormat = image.format(); 
     int originalWidth = image.width();
     int originalHeight = image.height();
     
+    if (originalWidth == 0 || originalHeight == 0 || imageFormat == QImage::Format_Invalid) {
+        if (filenameExtension.empty()) {
+            qCDebug(renderutils) << "QImage failed to create from content, no file extension:" << _url;
+        } else {
+            qCDebug(renderutils) << "QImage failed to create from content" << _url;
+        }
+        return;
+    }
+
     // enforce a fixed maximum area (1024 * 2048)
     const int MAXIMUM_AREA_SIZE = 2097152;
     int imageArea = image.width() * image.height();