diff --git a/stepmania/src/smpackage/SMPackageInstallDlg.cpp b/stepmania/src/smpackage/SMPackageInstallDlg.cpp
index bc7ae6a4d0..0b3d121fba 100644
--- a/stepmania/src/smpackage/SMPackageInstallDlg.cpp
+++ b/stepmania/src/smpackage/SMPackageInstallDlg.cpp
@@ -69,6 +69,13 @@ static bool CompareStringNoCase( const RString &s1, const RString &s2 )
 	return s1.CompareNoCase( s2 ) < 0;
 }
 
+void GetSmzipFilesToExtract( RageFileDriver &zip, vector<RString> &vsOut )
+{
+	GetDirListingRecursive( &zip, "/", "*", vsOut );
+	SMPackageUtil::StripIgnoredSmzipFiles( vsOut );	
+}
+
+
 static LocalizedString COULD_NOT_OPEN_FILE		( "CSMPackageInstallDlg", "Could not open file '%s'." );
 static LocalizedString IS_NOT_A_VALID_ZIP		( "CSMPackageInstallDlg", "'%s' is not a valid zip archive." );
 static LocalizedString YOU_HAVE_CHOSEN_TO_INSTALL	( "CSMPackageInstallDlg", "You have chosen to install the package:" );
@@ -122,7 +129,7 @@ BOOL CSMPackageInstallDlg::OnInitDialog()
 	//
 	{
 		vector<RString> vs;
-		GetDirListingRecursive( &zip, "/", "*", vs );
+		GetSmzipFilesToExtract( zip, vs );
 		CEdit* pEdit2 = (CEdit*)GetDlgItem(IDC_EDIT_MESSAGE2);
 		RString sText = "\t" + join( "\r\n\t", vs );
 		pEdit2->SetWindowText( sText );
@@ -314,7 +321,7 @@ void CSMPackageInstallDlg::OnOK()
 
 	// Unzip the SMzip package into the installation folder
 	vector<RString> vs;
-	GetDirListingRecursive( &zip, "/", "*", vs );
+	GetSmzipFilesToExtract( zip, vs );
 	for( unsigned i=0; i<vs.size(); i++ )
 	{
 		// Throw some text up so the user has something to look at during the long pause.
@@ -347,10 +354,6 @@ retry_unzip:
 		const RString sFile = vs[i];
 		LOG->Trace( "Extracting: "+sFile );
 
-		// skip extracting "thumbs.db" files
-		if( Basename(sFile).CompareNoCase("thumbs.db") == 0 )
-			continue;
-
 		RString sError;
 		{
 			int iErr;
diff --git a/stepmania/src/smpackage/SMPackageUtil.cpp b/stepmania/src/smpackage/SMPackageUtil.cpp
index fbfee8844f..5b3e45abc9 100644
--- a/stepmania/src/smpackage/SMPackageUtil.cpp
+++ b/stepmania/src/smpackage/SMPackageUtil.cpp
@@ -215,6 +215,23 @@ RString SMPackageUtil::GetLanguageCodeFromDisplayString( const RString &sDisplay
 	return s;
 }
 
+void SMPackageUtil::StripIgnoredSmzipFiles( vector<RString> &vsFilesInOut )
+{
+	for( int i=vsFilesInOut.size()-1; i>=0; i-- )
+	{
+		const RString &sFile = vsFilesInOut[i];
+
+		bool bEraseThis = false;
+		bEraseThis |= EndsWith( sFile, "smzip.ctl" );
+		bEraseThis |= EndsWith( sFile, ".old" );
+		bEraseThis |= EndsWith( sFile, "Thumbs.db" );
+		bEraseThis |= (sFile.find("CVS") != string::npos);
+
+		if( bEraseThis )
+			vsFilesInOut.erase( vsFilesInOut.begin()+i );
+	}
+}
+
 bool SMPackageUtil::DoesOsAbsoluteFileExist( const RString &sOsAbsoluteFile )
 {
 #if defined(WIN32)
diff --git a/stepmania/src/smpackage/SmpackageExportDlg.cpp b/stepmania/src/smpackage/SmpackageExportDlg.cpp
index b38ad8142d..22f2f22ccb 100644
--- a/stepmania/src/smpackage/SmpackageExportDlg.cpp
+++ b/stepmania/src/smpackage/SmpackageExportDlg.cpp
@@ -133,6 +133,7 @@ static bool ExportPackage( const RString &sPackageName, const RString &sSourceIn
 			if( sDir.Right(1) != "/" )
 				sDir += "/";
 			GetDirListingRecursive( &fileDriver, sDir, "*", asFilePaths );
+			SMPackageUtil::StripIgnoredSmzipFiles( asFilePaths );
 		}
 	}
 
@@ -177,12 +178,6 @@ static bool ExportPackage( const RString &sPackageName, const RString &sSourceIn
 	{
 		RString sFilePath = asFilePaths[j];
 		
-		// don't export "thumbs.db" files or "CVS" folders
-		if( sFilePath.find("CVS") != string::npos )
-			continue;	// skip
-		if( sFilePath.find("Thumbs.db") != string::npos )
-			continue;	// skip
-
 		RString sExt = GetExtension( sFilePath );
 		bool bUseCompression = true;
 		if( sExt.CompareNoCase("avi")==0 ||
diff --git a/stepmania/src/smpackage/smpackageUtil.h b/stepmania/src/smpackage/smpackageUtil.h
index 07038cd7d7..2074b83bd9 100644
--- a/stepmania/src/smpackage/smpackageUtil.h
+++ b/stepmania/src/smpackage/smpackageUtil.h
@@ -23,6 +23,8 @@ namespace SMPackageUtil
 	RString GetLanguageDisplayString( const RString &sIsoCode );
 	RString GetLanguageCodeFromDisplayString( const RString &sDisplayString );
 
+	void StripIgnoredSmzipFiles( vector<RString> &vsFilesInOut );
+
 	bool GetFileContentsOsAbsolute( const RString &sAbsoluteOsFile, RString &sOut );
 
 	bool DoesOsAbsoluteFileExist( const RString &sOsAbsoluteFile );