diff --git a/OpenChain/PNG/A4_preview.png b/OpenChain/PNG/A4_preview.png
new file mode 100644
index 0000000..610fc3a
Binary files /dev/null and b/OpenChain/PNG/A4_preview.png differ
diff --git a/OpenChain/PNG/Letter_outlined.png b/OpenChain/PNG/Letter_outlined.png
new file mode 100644
index 0000000..a888a99
Binary files /dev/null and b/OpenChain/PNG/Letter_outlined.png differ
diff --git a/OpenChain/PNG/penguin_1.png b/OpenChain/PNG/penguin_1.png
new file mode 100644
index 0000000..4d7a65b
Binary files /dev/null and b/OpenChain/PNG/penguin_1.png differ
diff --git a/OpenChain/PNG/penguin_2.png b/OpenChain/PNG/penguin_2.png
new file mode 100644
index 0000000..285a40c
Binary files /dev/null and b/OpenChain/PNG/penguin_2.png differ
diff --git a/OpenChain/PNG/penguin_3.png b/OpenChain/PNG/penguin_3.png
new file mode 100644
index 0000000..a726aaf
Binary files /dev/null and b/OpenChain/PNG/penguin_3.png differ
diff --git a/OpenChain/PNG/penguin_4.png b/OpenChain/PNG/penguin_4.png
new file mode 100644
index 0000000..93b7974
Binary files /dev/null and b/OpenChain/PNG/penguin_4.png differ
diff --git a/OpenChain/PNG/penguin_5.png b/OpenChain/PNG/penguin_5.png
new file mode 100644
index 0000000..123e9d5
Binary files /dev/null and b/OpenChain/PNG/penguin_5.png differ