diff --git a/content/blog/hello-world.md b/content/blog/hello-world.md
index e40db64..7dacb61 100644
--- a/content/blog/hello-world.md
+++ b/content/blog/hello-world.md
@@ -1,7 +1,7 @@
 +++
 title = "Hello World"
 date = 2025-05-16
-extra.image = "assets/hello_world.webp"
+extra.image = "assets/hello_world.jpg"
 description = "My First Blog."
 +++
 
diff --git a/static/assets/hello_world.jpg b/static/assets/hello_world.jpg
new file mode 100644
index 0000000..91ffe00
Binary files /dev/null and b/static/assets/hello_world.jpg differ
diff --git a/static/assets/hello_world.webp b/static/assets/hello_world.webp
deleted file mode 100644
index d85ca27..0000000
Binary files a/static/assets/hello_world.webp and /dev/null differ
diff --git a/templates/rss.xml b/templates/rss.xml
index 9b7c0ce..4152df2 100644
--- a/templates/rss.xml
+++ b/templates/rss.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0">
+<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/" version="2.0">
     <channel>
         <title>{{ config.title }}
             {%- if term %} - {{ term.name }}