diff --git a/plugins/zzogl-pg/opengl/ZeroGSShaders/zerogsshaders.cpp b/plugins/zzogl-pg/opengl/ZeroGSShaders/zerogsshaders.cpp
index 2ebb2f929f..d15ae85708 100644
--- a/plugins/zzogl-pg/opengl/ZeroGSShaders/zerogsshaders.cpp
+++ b/plugins/zzogl-pg/opengl/ZeroGSShaders/zerogsshaders.cpp
@@ -1,3 +1,11 @@
+ /* ZeroGS KOSMOS
+  *
+  * Zerofrog's ZeroGS KOSMOS (c)2005-2008
+  *
+  * Zerofrog forgot to write any copyright notice after release the plugin into GPLv2
+  * If someone can contact him successfully to clarify this matter that would be great.
+  */
+
 #define _CRT_SECURE_NO_DEPRECATE
 
 // Builds all possible shader files from ps2hw.fx and stores them in
diff --git a/plugins/zzogl-pg/opengl/ZeroGSShaders/zerogsshaders.h b/plugins/zzogl-pg/opengl/ZeroGSShaders/zerogsshaders.h
index e429544950..23db367250 100644
--- a/plugins/zzogl-pg/opengl/ZeroGSShaders/zerogsshaders.h
+++ b/plugins/zzogl-pg/opengl/ZeroGSShaders/zerogsshaders.h
@@ -1,3 +1,11 @@
+ /* ZeroGS KOSMOS
+  *
+  * Zerofrog's ZeroGS KOSMOS (c)2005-2008
+  *
+  * Zerofrog forgot to write any copyright notice after release the plugin into GPLv2
+  * If someone can contact him successfully to clarify this matter that would be great.
+  */
+
 #ifndef __ZEROGS_SHADERS_H__
 #define __ZEROGS_SHADERS_H__
 
diff --git a/plugins/zzogl-pg/opengl/ZeroGSShaders/zpipe.cpp b/plugins/zzogl-pg/opengl/ZeroGSShaders/zpipe.cpp
index d830f864c7..23eef6e761 100644
--- a/plugins/zzogl-pg/opengl/ZeroGSShaders/zpipe.cpp
+++ b/plugins/zzogl-pg/opengl/ZeroGSShaders/zpipe.cpp
@@ -1,3 +1,11 @@
+ /* ZeroGS KOSMOS
+  *
+  * Zerofrog's ZeroGS KOSMOS (c)2005-2008
+  *
+  * Zerofrog forgot to write any copyright notice after release the plugin into GPLv2
+  * If someone can contact him successfully to clarify this matter that would be great.
+  */
+
 // zpipe.cpp : Defines the entry point for the console application.
 //
 
diff --git a/plugins/zzogl-pg/opengl/ZeroGSShaders/zpipe.h b/plugins/zzogl-pg/opengl/ZeroGSShaders/zpipe.h
index 2b3f8b3262..b8c13d2485 100644
--- a/plugins/zzogl-pg/opengl/ZeroGSShaders/zpipe.h
+++ b/plugins/zzogl-pg/opengl/ZeroGSShaders/zpipe.h
@@ -1,3 +1,11 @@
+ /* ZeroGS KOSMOS
+  *
+  * Zerofrog's ZeroGS KOSMOS (c)2005-2008
+  *
+  * Zerofrog forgot to write any copyright notice after release the plugin into GPLv2
+  * If someone can contact him successfully to clarify this matter that would be great.
+  */
+
 #ifndef zpipe_h
 #define zpipe_h
 
diff --git a/plugins/zzogl-pg/opengl/common.h b/plugins/zzogl-pg/opengl/common.h
index 49b6f1fa9e..3c87f46b67 100644
--- a/plugins/zzogl-pg/opengl/common.h
+++ b/plugins/zzogl-pg/opengl/common.h
@@ -1,3 +1,23 @@
+/*  ZZ Open GL graphics plugin
+ *  Zerofrog's ZeroGS KOSMOS (c)2005-2008
+ *
+ *  Based on ffmepeg program, (c)2006 Michael Niedermayer <michaelni@gmx.at>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2.1 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
 /**
  * @file common.h
  * common internal api header.
diff --git a/plugins/zzogl-pg/opengl/zerogsmath.h b/plugins/zzogl-pg/opengl/zerogsmath.h
index be56a7af2f..03ea3d77da 100644
--- a/plugins/zzogl-pg/opengl/zerogsmath.h
+++ b/plugins/zzogl-pg/opengl/zerogsmath.h
@@ -1,3 +1,11 @@
+ /* ZeroGS KOSMOS
+  *
+  * Zerofrog's ZeroGS KOSMOS (c)2005-2008
+  *
+  * Zerofrog forgot to write any copyright notice after release the plugin into GPLv2
+  * If someone can contact him successfully to clarify this matter that would be great.
+  */
+
 #ifndef ZEROGS_MATH_H
 #define ZEROGS_MATH_H
 
diff --git a/plugins/zzogl-pg/opengl/zpipe.cpp b/plugins/zzogl-pg/opengl/zpipe.cpp
index 1911dcf308..1c58fe5d1d 100644
--- a/plugins/zzogl-pg/opengl/zpipe.cpp
+++ b/plugins/zzogl-pg/opengl/zpipe.cpp
@@ -1,3 +1,11 @@
+ /* ZeroGS KOSMOS
+  *
+  * Zerofrog's ZeroGS KOSMOS (c)2005-2008
+  *
+  * Zerofrog forgot to write any copyright notice after release the plugin into GPLv2
+  * If someone can contact him successfully to clarify this matter that would be great.
+  */
+
 // zpipe.cpp : Defines the entry point for the console application.
 //
 
diff --git a/plugins/zzogl-pg/opengl/zpipe.h b/plugins/zzogl-pg/opengl/zpipe.h
index 2b3f8b3262..b8c13d2485 100644
--- a/plugins/zzogl-pg/opengl/zpipe.h
+++ b/plugins/zzogl-pg/opengl/zpipe.h
@@ -1,3 +1,11 @@
+ /* ZeroGS KOSMOS
+  *
+  * Zerofrog's ZeroGS KOSMOS (c)2005-2008
+  *
+  * Zerofrog forgot to write any copyright notice after release the plugin into GPLv2
+  * If someone can contact him successfully to clarify this matter that would be great.
+  */
+
 #ifndef zpipe_h
 #define zpipe_h