:Added attribution for ``A Big GNU Head'' by Aurelio A. Heckert for ``GNU Inside!'' page fold

Well that is an embarassing oversight for someone keen on [software]
licensing. Thanks to Ineiev at the FSF for pointing this out.

Consequently, my graphic is now available under CC-BY-SA 2.0, not 3.0, since
it is a derivative work.

5 files changed, 14 insertions, 10 deletions

diff --git a/COPYING b/COPYING
index ae6aacf..3aeb837 100644
--- a/COPYING
+++ b/COPYING
@@ -1,6 +1,6 @@
 Creative content, such as thoughts and writings, are licensed under the
-Creative Commons Attribution-ShareAlike license (CC BY-SA); a copy of this
-license is contained within the file COPYING.CCBYSA. Scripts and other
+Creative Commons Attribution-ShareAlike license 3.0. (CC BY-SA); a copy of
+this license is contained within the file COPYING.CCBYSA. Scripts and other
 software are licensed under the GNU General Public License version 3 or, at
 your option, any later version; a copy of this license is located within the
 file COPYING.GPLv3.
diff --git a/docs/about/gnu-inside-ex b/docs/about/gnu-inside-ex
index 057cf4b..9efdb44 100644
--- a/docs/about/gnu-inside-ex
+++ b/docs/about/gnu-inside-ex
@@ -1,6 +1,6 @@
 <div id="gnulinux-inside" style="position: absolute; top: 0px; right: 0px;">
   <a href="http://gnu.org/">
-    <img src="http://mikegerwitz.com/images/gnu-inside.png"
+    <img src="https://www.gnu.org/graphics/gnu-inside.png"
       alt="GNU/Linux Inside!" title="GNU/Linux Inside!" />
   </a>
 </div>
diff --git a/docs/about/inside.pg b/docs/about/inside.pg
index b50cc71..8fc68e5 100644
--- a/docs/about/inside.pg
+++ b/docs/about/inside.pg
@@ -22,14 +22,16 @@ unless you take the necessary precautions.
 [img:gnu-inside.png:GNU/Linux Inside!]
 
 Feel free to [download the source file (GIMP)][3], released under the [Creative
-Commons Attribution-ShareAlike 3.0 Unported License][4]. Below is the code with
-which you may embed this on your own website.
+Commons Attribution-ShareAlike 2.0 Unported License][4]. It incorporates [``A
+Bold GNU Head''][5] by Aurelio A. Heckert, which appears at the top of this
+page. Below is the code with which you may embed this on your own website.
 
 [src:docs/about/gnu-inside-ex:html]
 
 
-[0] http://www.gnu.org/philosophy/
-[1] http://www.gnu.org/
+[0] https://www.gnu.org/philosophy/
+[1] https://www.gnu.org/
 [2] http://www.gnu.org/gnu/linux-and-gnu.html
-[3] http://mikegerwitz.com/images/gnu-inside.xcf
-[4] http://creativecommons.org/licenses/by-sa/3.0/
+[3] https://www.gnu.org/graphics/gnu-inside.html
+[4] https://creativecommons.org/licenses/by-sa/2.0/
+[5] https://www.gnu.org/graphics/heckert_gnu.html
diff --git a/images/COPYING b/images/COPYING
index e2ad8bd..e89975a 100644
--- a/images/COPYING
+++ b/images/COPYING
@@ -1,5 +1,7 @@
 The ``GNU Inside'' page fold and its source file, authored by Mike Gerwitz, are
-licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
+licensed under the Creative Commons Attribution-ShareAlike 2.0 Unported
+License. Incorporates "A Bold GNU Head" by Aurelio A. Heckert, available at
+<https://www.gnu.org/graphics/heckert_gnu.html>
 
 Information on the Creative Commons button image may be found at
 <http://creativecommons.org/policies>.
diff --git a/images/gnu-inside.xcf b/images/gnu-inside.xcf
index 7c6ad32..9153217 100644
--- a/images/gnu-inside.xcf
+++ b/images/gnu-inside.xcf