diff --git a/assets/tree1.png b/assets/tree1.png
new file mode 100644
index 0000000..a65f35a
Binary files /dev/null and b/assets/tree1.png differ
diff --git a/assets/tree1_greenish.png b/assets/tree1_greenish.png
new file mode 100644
index 0000000..8575ae2
Binary files /dev/null and b/assets/tree1_greenish.png differ
diff --git a/assets/tree2.png b/assets/tree2.png
new file mode 100644
index 0000000..429ab0f
Binary files /dev/null and b/assets/tree2.png differ
diff --git a/assets/tree2_greenish.png b/assets/tree2_greenish.png
new file mode 100644
index 0000000..aa8859c
Binary files /dev/null and b/assets/tree2_greenish.png differ
diff --git a/assets/tree3.png b/assets/tree3.png
new file mode 100644
index 0000000..d373b5c
Binary files /dev/null and b/assets/tree3.png differ
diff --git a/assets/tree4.png b/assets/tree4.png
new file mode 100644
index 0000000..63df1f3
Binary files /dev/null and b/assets/tree4.png differ
diff --git a/assets/tree4_darker.png b/assets/tree4_darker.png
new file mode 100644
index 0000000..73e3891
Binary files /dev/null and b/assets/tree4_darker.png differ