diff --git a/guides/guide_bolex.svg b/guides/guide_bolex.svg
new file mode 100644
index 0000000..e555302
--- /dev/null
+++ b/guides/guide_bolex.svg
@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
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+><!--Generated by the Batik Graphics2D SVG Generator--><defs id="genericDefs"
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+>
diff --git a/guides/guide_marks.svg b/guides/guide_marks.svg
new file mode 100644
index 0000000..bf6b908
--- /dev/null
+++ b/guides/guide_marks.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0"?>
+<!DOCTYPE svg PUBLIC '-//W3C//DTD SVG 1.0//EN'
+          'http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd'>
+<svg xmlns:xlink="http://www.w3.org/1999/xlink" style="fill-opacity:1; color-rendering:auto; color-interpolation:auto; text-rendering:auto; stroke:black; stroke-linecap:square; stroke-miterlimit:10; shape-rendering:auto; stroke-opacity:1; fill:black; stroke-dasharray:none; font-weight:normal; stroke-width:1; font-family:'Dialog'; font-style:normal; stroke-linejoin:miter; font-size:12px; stroke-dashoffset:0; image-rendering:auto;" width="809" height="748" xmlns="http://www.w3.org/2000/svg"
+><!--Generated by the Batik Graphics2D SVG Generator--><defs id="genericDefs"
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