diff --git a/cover.jpg b/cover.jpg
new file mode 120000
index 0000000..0fa7635
--- /dev/null
+++ b/cover.jpg
@@ -0,0 +1 @@
+images/cover-3rd.jpg
\ No newline at end of file
diff --git a/cover_small.jpg b/cover_small.jpg
new file mode 120000
index 0000000..61091a8
--- /dev/null
+++ b/cover_small.jpg
@@ -0,0 +1 @@
+images/cover_thumbnail_3rd.jpg
\ No newline at end of file