diff --git a/analysis_intro/analysis.png b/analysis_intro/analysis.png
new file mode 120000
index 0000000000000000000000000000000000000000..9950f720ef84d9fe4c38f8c5df97496e68a708bd
--- /dev/null
+++ b/analysis_intro/analysis.png
@@ -0,0 +1 @@
+../presentation-pics/pics/analysis.png
\ No newline at end of file
diff --git a/analysis_intro/data.png b/analysis_intro/data.png
new file mode 120000
index 0000000000000000000000000000000000000000..680e2b3d6db3ea3a39abe414c31c5c708fbb5ffc
--- /dev/null
+++ b/analysis_intro/data.png
@@ -0,0 +1 @@
+../presentation-pics/pics/data.png
\ No newline at end of file
diff --git a/getting_started/nano.eps b/getting_started/nano.eps
new file mode 120000
index 0000000000000000000000000000000000000000..4ba87d4f9ef45291b83a1528a2a3c739ce550db1
--- /dev/null
+++ b/getting_started/nano.eps
@@ -0,0 +1 @@
+../presentation-pics/pics/nano.eps
\ No newline at end of file
diff --git a/getting_started/tree.eps b/getting_started/tree.eps
new file mode 120000
index 0000000000000000000000000000000000000000..6dd94929b68351da3e579082087fe012ea8ddfe5
--- /dev/null
+++ b/getting_started/tree.eps
@@ -0,0 +1 @@
+../presentation-pics/pics/tree.eps
\ No newline at end of file