diff --git a/src/nvimage/CMakeLists.txt b/src/nvimage/CMakeLists.txt
index 10544ee..861016f 100644
--- a/src/nvimage/CMakeLists.txt
+++ b/src/nvimage/CMakeLists.txt
@@ -25,7 +25,9 @@ SET(IMAGE_SRCS
 	NormalMap.h
 	NormalMap.cpp
 	NormalMipmap.h
-	NormalMipmap.cpp)
+	NormalMipmap.cpp
+	PsdFile.h
+	TgaFile.h)
 
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
 
diff --git a/src/nvimage/ImageIO.cpp b/src/nvimage/ImageIO.cpp
index a28e239..b7e96c7 100644
--- a/src/nvimage/ImageIO.cpp
+++ b/src/nvimage/ImageIO.cpp
@@ -76,6 +76,9 @@ Image * nv::ImageIO::load(const char * name, Stream & s)
 		return loadPNG(s);
 	}
 #endif
+	if (strCaseCmp(extension, ".psd") == 0) {
+		return loadPSD(s);
+	}
 	// @@ use image plugins?
 
 	return NULL;
@@ -323,16 +326,20 @@ Image * nv::ImageIO::loadPSD(Stream & s)
 	nvCheck(!s.isError());
 	nvCheck(s.isLoading());
 	
+	s.setByteOrder(Stream::BigEndian);
+	
 	PsdHeader header;
 	s << header;
 	
 	if (!header.isValid())
 	{
+		printf("invalid header!\n");
 		return NULL;
 	}
 	
 	if (!header.isSupported())
 	{
+		printf("unsupported file!\n");
 		return NULL;
 	}
 	
diff --git a/src/nvimage/PsdFile.h b/src/nvimage/PsdFile.h
index ecdecbc..b5d7a11 100644
--- a/src/nvimage/PsdFile.h
+++ b/src/nvimage/PsdFile.h
@@ -33,12 +33,13 @@ namespace nv
 		
 		bool isValid() const
 		{
-			return signature == 0x38425053;	// '8BPS'
+			return signature == 0x38425053; // 38425053;	// '8BPS'
 		}
 		
 		bool isSupported() const
 		{
 			if (version != 1) {
+				printf("*** bad version number %u\n", version);
 				return false;
 			}
 			if (channel_count > 4) {