diff --git a/game/developer_console.cpp b/game/developer_console.cpp
index 263ed86..046e7e4 100644
--- a/game/developer_console.cpp
+++ b/game/developer_console.cpp
@@ -49,8 +49,8 @@ namespace developer {
             return false;
         }
 
-        std::cout<<"[developer console] adding developer "
-            "callback for token '" << token << "'" << std::endl;
+        //std::cout<<"[developer console] adding developer "
+        //    "callback for token '" << token << "'" << std::endl;
 
         m_callbacks[token] = cb;
 
diff --git a/game/renderer_polygon_3d/image_texture.cpp b/game/renderer_polygon_3d/image_texture.cpp
index bacaee5..6c71f88 100644
--- a/game/renderer_polygon_3d/image_texture.cpp
+++ b/game/renderer_polygon_3d/image_texture.cpp
@@ -78,11 +78,11 @@ namespace endofthejedi {
                 NULL, NULL, NULL);
 
 
-        if (color_type == PNG_COLOR_TYPE_RGB) {
-            puts("PNG_COLOR_TYPE_RGB");
-        } else if (color_type == PNG_COLOR_TYPE_RGBA) {
-            puts("PNG_COLOR_TYPE_RGBA");
-        }
+        //if (color_type == PNG_COLOR_TYPE_RGB) {
+        //    puts("PNG_COLOR_TYPE_RGB");
+        //} else if (color_type == PNG_COLOR_TYPE_RGBA) {
+        //    puts("PNG_COLOR_TYPE_RGBA");
+        //}
 
         //update width and height based on png info
 
@@ -95,11 +95,11 @@ namespace endofthejedi {
 
         m_size = glm::vec2();
 
-        puts("#########################################");
-        printf("# PNG: width=%d, height=%d\n", twidth, theight);
-        printf("# powers of two: w=%d, h=%d\n", pot_width, pot_height);
-        printf("# uv scale two: x=%f, y=%f\n", m_uvScale.x, m_uvScale.y);
-        puts("#########################################");
+        //puts("#########################################");
+        //printf("# PNG: width=%d, height=%d\n", twidth, theight);
+        //printf("# powers of two: w=%d, h=%d\n", pot_width, pot_height);
+        //printf("# uv scale two: x=%f, y=%f\n", m_uvScale.x, m_uvScale.y);
+        //puts("#########################################");
 
         // Update the png info struct.
         png_read_update_info(png_ptr, info_ptr);
diff --git a/game/renderer_polygon_3d/renderer_polygon_3d.cpp b/game/renderer_polygon_3d/renderer_polygon_3d.cpp
index 9104b51..f21b868 100644
--- a/game/renderer_polygon_3d/renderer_polygon_3d.cpp
+++ b/game/renderer_polygon_3d/renderer_polygon_3d.cpp
@@ -38,7 +38,8 @@ void RendererPolygon3d::setup() {
     addModel("../data/mesh/ship_ufo.stl", &m_shipModel);
 
     m_texture = nullptr;
-    m_backgroundTexturePath = "../data/img/background_3.png";
+    //m_backgroundTexturePath = "../data/img/background_3.png";
+    m_backgroundTexturePath = "../data/img/stars_nebular.png";
     loadBackgroundTexture();
 
     m_postprocess_shader.init();
@@ -86,15 +87,15 @@ void RendererPolygon3d::loadBackgroundTexture() {
     glActiveTexture(GL_TEXTURE0);
     m_texture->loadPng();
 
-    std::cout << "texture loading: " << m_texture->valid() << std::endl;
+    //std::cout << "texture loading: " << m_texture->valid() << std::endl;
     if (!m_texture->valid()) {
         std::cout << "loading failed!";
         return;
         // exit(-1);
     }
 
-    glm::vec2 s = m_texture->size();
-    std::cout << "texture size is " << s.x << " X " << s.y << std::endl;
+    //glm::vec2 s = m_texture->size();
+    //std::cout << "texture size is " << s.x << " X " << s.y << std::endl;
 }
 
 void RendererPolygon3d::renderBackgroundImage() {
@@ -252,6 +253,9 @@ void RendererPolygon3d::addExplosionEffect(size_t id,
                                            const glm::vec2 &missileVelocity,
                                            bool isPlanetHit, size_t n,
                                            float duration) {
+
+	(void) missileVelocity;
+
     // float particleRadius = 0.005;
     // float particleRadius = 0.003;
     float particleRadius = 0.02;
@@ -586,18 +590,8 @@ void RendererPolygon3d::renderShips() {
 
 void RendererPolygon3d::addModel(const std::string &filename,
                                  PolygonModel **dest) {
+
     // std::cout<<"adding a model: " << filename << std::endl;
-
-    *dest = new PolygonModel(filename);
-    if (!(*dest)->import()) {
-        std::cout << "error: failed to load needed model!!!" << std::endl
-                  << std::endl;
-        exit(-1);
-    }
-
-    (*dest)->setup(&m_shader_game_objects);
-    (*dest)->uploadToOpenGl();
-
     *dest = new PolygonModel(filename);
     if (!(*dest)->import()) {
         std::cout << "error: failed to load needed model!!!" << std::endl