diff --git a/img/ense_opt.png b/img/ense_opt.png
new file mode 100644
index 0000000..7e3889d
Binary files /dev/null and b/img/ense_opt.png differ
diff --git a/img/vr_opt.png b/img/vr_opt.png
new file mode 100644
index 0000000..c11ff56
Binary files /dev/null and b/img/vr_opt.png differ