diff --git a/img/4-0.jpg b/img/4-0.jpg
new file mode 100644
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diff --git a/img/4-1.svg b/img/4-1.svg
new file mode 100644
index 0000000..4cc9331
--- /dev/null
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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+  <g id="squirrel">
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+  </g>
+  <g id="pizza">
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+    <circle cx="20" cy="20" r="10" fill="#b44"></circle>
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+    <circle cx="37" cy="51" r="11" fill="#b44"></circle>
+    <circle cx="62" cy="34" r="8" fill="#b44"></circle>
+  </g>
+</defs>
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diff --git a/img/4-3.svg b/img/4-3.svg
new file mode 100644
index 0000000..9e00738
--- /dev/null
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="393" height="76" viewBox="-2 -2 393 76"><style type="text/css">
+    @font-face {
+      font-family: 'PT Mono';
+      font-style: normal;
+      font-weight: 400;
+      src: local('PT Mono'), local('PTMono-Regular'), url(http://themes.googleusercontent.com/static/fonts/ptmono/v1/jmle3kzCPnW8O7_gZGRDlQ.woff) format('woff');
+    }
+    .objtext { font-family: "PT Mono"; font-size: 14px; stroke: none; }
+    .objbox { border-radius: 2px; fill: white; stroke: black }
+    .sep { stroke: #666 }
+  </style>
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