diff --git a/lectures/revealjs/images/lecture03/gradle-tree.png b/lectures/revealjs/images/lecture03/gradle-tree.png
new file mode 100644
index 0000000000000000000000000000000000000000..b96410149aa2185d96214907e2b64b11e27be5e1
Binary files /dev/null and b/lectures/revealjs/images/lecture03/gradle-tree.png differ
diff --git a/lectures/revealjs/images/lecture03/q1.png b/lectures/revealjs/images/lecture03/q1.png
new file mode 100644
index 0000000000000000000000000000000000000000..20b9dafdb452072babb5e44da573b7925fef064b
Binary files /dev/null and b/lectures/revealjs/images/lecture03/q1.png differ
diff --git a/lectures/revealjs/images/lecture03/q2.png b/lectures/revealjs/images/lecture03/q2.png
new file mode 100644
index 0000000000000000000000000000000000000000..9e01bc5b115d2ac28b5e562b4009d03b951691ca
Binary files /dev/null and b/lectures/revealjs/images/lecture03/q2.png differ
diff --git a/lectures/revealjs/images/lecture03/q3.png b/lectures/revealjs/images/lecture03/q3.png
new file mode 100644
index 0000000000000000000000000000000000000000..586183d22574fab5a8c9b30f76da0c31abae5efc
Binary files /dev/null and b/lectures/revealjs/images/lecture03/q3.png differ