diff --git a/_images/README.md b/_images/README.md
index 38350fa..13ac2be 100644
--- a/_images/README.md
+++ b/_images/README.md
@@ -1,2 +1,14 @@
 ## Images
 A place for miscellaneous images, pictures, project logos, etc.
+
+## Logos
+File|Size|preview
+---|---|---
+pnu-logo-small.png|120x120 pixels|![PNU logo](https://github.com/HubTou/PNU/blob/main/_images/pnu-logo-small.png)
+pnu-logo.png|640x640 pixels|![PNU logo](https://github.com/HubTou/PNU/blob/main/_images/pnu-logo-small.png)
+
+## Logos with title
+File|Size|preview
+---|---|---
+pnu-logo-and-title-small.png|244x113 pixels|![PNU logo](https://github.com/HubTou/PNU/blob/main/_images/pnu-logo-and-title-small.png)
+pnu-logo-and-title.png|1280x640 pixels|![PNU logo](https://github.com/HubTou/PNU/blob/main/_images/pnu-logo-and-title-small.png)