diff --git a/.DS_Store b/.DS_Store
index 6031f24ec9..6bd06d4cc3 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/interface.xcodeproj/project.pbxproj b/interface.xcodeproj/project.pbxproj
index d98e101f9d..10834c8ae1 100644
--- a/interface.xcodeproj/project.pbxproj
+++ b/interface.xcodeproj/project.pbxproj
@@ -17,6 +17,7 @@
 		B6BDAE4415F6BE53002A07DF /* particle.cpp in Sources */ = {isa = PBXBuildFile; fileRef = B6BDAE4315F6BE53002A07DF /* particle.cpp */; };
 		D40BDFD513404BA300B0BE1F /* GLUT.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D40BDFD413404BA300B0BE1F /* GLUT.framework */; };
 		D40BDFD713404BB300B0BE1F /* OpenGL.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D40BDFD613404BB300B0BE1F /* OpenGL.framework */; };
+		D40FD5FB164AF1C200878184 /* int-texture256-v2.png in CopyFiles */ = {isa = PBXBuildFile; fileRef = D40FD5FA164AF1A700878184 /* int-texture256-v2.png */; };
 		D4B96D4915FF967C00CE6E8B /* head.cpp in Sources */ = {isa = PBXBuildFile; fileRef = D4B96D4815FF967C00CE6E8B /* head.cpp */; };
 		D4EE3BBC15E45FFE00EE4C89 /* SerialInterface.cpp in Sources */ = {isa = PBXBuildFile; fileRef = D4EE3BBB15E45FFE00EE4C89 /* SerialInterface.cpp */; };
 		D4EE3BBE15E7465700EE4C89 /* field.cpp in Sources */ = {isa = PBXBuildFile; fileRef = D4EE3BBD15E7465700EE4C89 /* field.cpp */; };
@@ -38,6 +39,7 @@
 			dstPath = "";
 			dstSubfolderSpec = 16;
 			files = (
+				D40FD5FB164AF1C200878184 /* int-texture256-v2.png in CopyFiles */,
 				F68135B21649EF3F003040E3 /* grayson-particle.png in CopyFiles */,
 				F68135971649CF41003040E3 /* sphere.png in CopyFiles */,
 				F681356E16488470003040E3 /* philip-image.png in CopyFiles */,
@@ -62,6 +64,7 @@
 		C6859E8B029090EE04C91782 /* test_c_plus.1 */ = {isa = PBXFileReference; lastKnownFileType = text.man; path = test_c_plus.1; sourceTree = "<group>"; };
 		D40BDFD413404BA300B0BE1F /* GLUT.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = GLUT.framework; path = /System/Library/Frameworks/GLUT.framework; sourceTree = "<absolute>"; };
 		D40BDFD613404BB300B0BE1F /* OpenGL.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = OpenGL.framework; path = /System/Library/Frameworks/OpenGL.framework; sourceTree = "<absolute>"; };
+		D40FD5FA164AF1A700878184 /* int-texture256-v2.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "int-texture256-v2.png"; sourceTree = SOURCE_ROOT; };
 		D4B96D4715FF966200CE6E8B /* head.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = head.h; sourceTree = "<group>"; };
 		D4B96D4815FF967C00CE6E8B /* head.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = head.cpp; sourceTree = "<group>"; };
 		D4EE3BBA15E45FFE00EE4C89 /* SerialInterface.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SerialInterface.h; sourceTree = "<group>"; };
@@ -177,6 +180,7 @@
 		F681356716487A7F003040E3 /* images */ = {
 			isa = PBXGroup;
 			children = (
+				D40FD5FA164AF1A700878184 /* int-texture256-v2.png */,
 				F68135B01649EF37003040E3 /* grayson-particle.png */,
 				F68135951649CF38003040E3 /* sphere.png */,
 				F681356D1648846A003040E3 /* philip-image.png */,
diff --git a/interface.xcodeproj/project.xcworkspace/xcuserdata/philip.xcuserdatad/UserInterfaceState.xcuserstate b/interface.xcodeproj/project.xcworkspace/xcuserdata/philip.xcuserdatad/UserInterfaceState.xcuserstate
index 321be59552..321beebbf5 100644
Binary files a/interface.xcodeproj/project.xcworkspace/xcuserdata/philip.xcuserdatad/UserInterfaceState.xcuserstate and b/interface.xcodeproj/project.xcworkspace/xcuserdata/philip.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/interface.xcodeproj/xcuserdata/philip.xcuserdatad/xcdebugger/Breakpoints.xcbkptlist b/interface.xcodeproj/xcuserdata/philip.xcuserdatad/xcdebugger/Breakpoints.xcbkptlist
index af7859561b..a74d81a81c 100644
--- a/interface.xcodeproj/xcuserdata/philip.xcuserdatad/xcdebugger/Breakpoints.xcbkptlist
+++ b/interface.xcodeproj/xcuserdata/philip.xcuserdatad/xcdebugger/Breakpoints.xcbkptlist
@@ -8,11 +8,11 @@
          ignoreCount = "0"
          continueAfterRunningActions = "No"
          filePath = "main.cpp"
-         timestampString = "372278101.290877"
+         timestampString = "374006988.485904"
          startingColumnNumber = "9223372036854775807"
          endingColumnNumber = "9223372036854775807"
-         startingLineNumber = "328"
-         endingLineNumber = "328"
+         startingLineNumber = "324"
+         endingLineNumber = "324"
          landmarkName = "init(void)"
          landmarkType = "7">
       </FileBreakpoint>
diff --git a/main.cpp b/main.cpp
index 620a3d0a62..ba6a0702e3 100644
--- a/main.cpp
+++ b/main.cpp
@@ -200,7 +200,7 @@ double elapsedTime;
 // 1. Add to the XCode project in the Resources/images group
 //    (ensure "Copy file" is checked
 // 2. Add to the "Copy files" build phase in the project
-char texture_filename[] = "grayson-particle.png";
+char texture_filename[] = "int-texture256-v2.png";
 unsigned int texture_width = 256;
 unsigned int texture_height = 256;