diff --git a/images/connect4.jpg b/images/connect4.jpg
index b24fdb5..d9f745c 100644
Binary files a/images/connect4.jpg and b/images/connect4.jpg differ
diff --git a/images/pki.jpg b/images/pki.jpg
index 1c6e263..8f66007 100644
Binary files a/images/pki.jpg and b/images/pki.jpg differ