[gimp-web/testing] Fix externally linked CC badge

[Pat David <patdavid src gnome org>]

commit 9a6fd0e439c7b2bb908d84e5179af1ddd463c0d8
Author: Pat David <patdavid gmail com>
Date:   Sun Jul 15 10:43:46 2018 -0500

    Fix externally linked CC badge

 content/tutorials/Focus_Group/cc-by-sa.png | Bin 0 -> 1697 bytes
 content/tutorials/Focus_Group/index.md     |   3 +--
 2 files changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/content/tutorials/Focus_Group/cc-by-sa.png b/content/tutorials/Focus_Group/cc-by-sa.png
new file mode 100644
index 00000000..e76aeffd
Binary files /dev/null and b/content/tutorials/Focus_Group/cc-by-sa.png differ
diff --git a/content/tutorials/Focus_Group/index.md b/content/tutorials/Focus_Group/index.md
index c32b98ea..9c1d2e7f 100644
--- a/content/tutorials/Focus_Group/index.md
+++ b/content/tutorials/Focus_Group/index.md
@@ -353,8 +353,7 @@ I do hope you benefited from these tutorials, I wish you well.
 <small>
 <a rel="license"
 href="http://creativecommons.org/licenses/by-sa/4.0/";><img
-alt="Creative Commons License" style="border-width:0"
-src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png";></a>
+alt="Creative Commons License" src="cc-by-sa.png"></a>
 <span xmlns:dct="http://purl.org/dc/terms/"; property="dct:title">FocusGroup</span>
 by <span xmlns:cc="http://creativecommons.org/ns#";
 property="cc:attributionName">John Brewer</span> is licensed