diff --git a/data/floor.mtl b/data/floor.mtl
index 8a67048e1..b59e224d2 100644
--- a/data/floor.mtl
+++ b/data/floor.mtl
@@ -10,4 +10,4 @@ newmtl floor
   Ks 0.0000 0.0000 0.0000
   Ke 0.0000 0.0000 0.0000
   map_Ka floor_diffuse.jpg
-  map_Kd floor_diffuse.jpg
+  map_Kd checker_huge.gif
diff --git a/examples/ExampleBrowser/premake4.lua b/examples/ExampleBrowser/premake4.lua
index 181e93b87..8b05b1eda 100644
--- a/examples/ExampleBrowser/premake4.lua
+++ b/examples/ExampleBrowser/premake4.lua
@@ -48,7 +48,6 @@ project "App_BulletExampleBrowser"
         "main.cpp",
         "ExampleEntries.cpp",
         
-		"../TinyRenderer/Bullet2TinyRenderer.cpp",
 		"../TinyRenderer/geometry.cpp",
 		"../TinyRenderer/model.cpp",
 		"../TinyRenderer/tgaimage.cpp",
diff --git a/examples/OpenGLWindow/MacOpenGLWindow.mm b/examples/OpenGLWindow/MacOpenGLWindow.mm
index d247f95b0..301608cca 100644
--- a/examples/OpenGLWindow/MacOpenGLWindow.mm
+++ b/examples/OpenGLWindow/MacOpenGLWindow.mm
@@ -1082,7 +1082,7 @@ int MacOpenGLWindow::fileOpenDialog(char* filename, int maxNameLength)
     NSOpenGLContext *foo = [NSOpenGLContext currentContext];
     // get the url of a .txt file
     NSOpenPanel * zOpenPanel = [NSOpenPanel openPanel];
-	NSArray * zAryOfExtensions = [NSArray arrayWithObjects:@"urdf",@"bullet",nil];
+	NSArray * zAryOfExtensions = [NSArray arrayWithObjects:@"urdf",@"bullet",@"obj",@"sdf",nil];
     [zOpenPanel setAllowedFileTypes:zAryOfExtensions];
     NSInteger zIntResult = [zOpenPanel runModal];