tikz-gallery-generator

diff --git a/src/intro.html b/src/intro.html
@@ -1,7 +1,16 @@
 <h1>TikZ Gallery</h1>
 <p>
 A gallery with ready-made mathematical drawings for use in LaTeX documents and
-Beamer presentations &mdash; as well as their source code! Please see
-<a href=\"/using.html\">Using This Gallery</a> for information on how to
-include pictures from this gallery in your documents.
+Beamer presentations &mdash; as well as their source code! Other than a
+platform for distributing the figures themselves, this gallery is also supposed
+to be an educational resource on
+<a href="https://github.com/pgf-tikz/pgf">TikZ</a>, allowing users to inspect
+and modify the source code of the drawings to fit their needs.
+</p>
+
+<p>
+Please see <a href="/using.html">Using This Gallery</a> for instructions on
+how to include pictures from this gallery in your documents. To add a picture
+to this gallery please contact
+<a href="mailto:%70%61%62%6C%6F-%65%73%63%6F%62%61%72@%72%69%73%65%75%70.%6E%65%74">&#112;&#97;&#98;&#108;&#111;&#45;&#101;&#115;&#99;&#111;&#98;&#97;&#114; &#91;&#97;&#116;&#93; &#114;&#105;&#115;&#101;&#117;&#112;&#46;&#110;&#101;&#116;</a>.
 </p>