diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..496ee2c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
\ No newline at end of file
diff --git a/Looka.jpeg b/Looka.jpeg
deleted file mode 100644
index 742d47c..0000000
Binary files a/Looka.jpeg and /dev/null differ
diff --git a/Looka.png b/Looka.png
new file mode 100644
index 0000000..552e5c5
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diff --git a/README.md b/README.md
index cac8942..7d9cf73 100644
--- a/README.md
+++ b/README.md
@@ -37,9 +37,9 @@
 ---
 
 <div align="center">
-    <h2>Promotion</h2>
+    <h5>Promotion</h5>
     <a href="https://looka.grsm.io/jscfk35v34tn" target="_blank" style="outline:none;border:none;">
-        <img width="300" src="https://github.com/ai-collection/ai-collection/blob/main/Looka.jpeg" alt="Lookah" border="0"/>
+        <img width="300" src="https://github.com/ai-collection/ai-collection/blob/main/Looka.png" alt="Lookah" border="0"/>
     </a>
     <p>This week's awesome AI application promotion is <a href="https://looka.grsm.io/jscfk35v34tn" target="_blank"><b>Looka</b>
     </a></p>