diff --git a/docs/tree-layout1.png b/docs/tree-layout1.png
new file mode 100644
index 000000000..ee69f1ab3
Binary files /dev/null and b/docs/tree-layout1.png differ
diff --git a/docs/tree-layout2.png b/docs/tree-layout2.png
new file mode 100644
index 000000000..5cbadde6a
Binary files /dev/null and b/docs/tree-layout2.png differ
diff --git a/docs/tree-shot1.png b/docs/tree-shot1.png
new file mode 100644
index 000000000..3bbeae1c5
Binary files /dev/null and b/docs/tree-shot1.png differ
diff --git a/docs/tree-shot2.png b/docs/tree-shot2.png
new file mode 100644
index 000000000..f00326487
Binary files /dev/null and b/docs/tree-shot2.png differ
diff --git a/docs/tree-shot3.png b/docs/tree-shot3.png
new file mode 100644
index 000000000..fe4c11e15
Binary files /dev/null and b/docs/tree-shot3.png differ
diff --git a/docs/tree-shot4.png b/docs/tree-shot4.png
new file mode 100644
index 000000000..61e8c910d
Binary files /dev/null and b/docs/tree-shot4.png differ