diff --git a/CREDITS b/CREDITS
index 8561e05..a66ff6a 100644
--- a/CREDITS
+++ b/CREDITS
@@ -145,6 +145,11 @@ W: https://github.com/thunderstone135
 ----------
     Reference Projects & Resources
 
+N: BEST-WALLPAPER.NET
+W: https://best-wallpaper.net/
+C: Copyright (c) 2011-2022 best-wallpaper.net
+L: Unspecified License
+
 N: Compact Mode Firefox Css
 W: https://github.com/Godiesc/compactmodefirefoxcss
 C: Copyright (c) 2021 Godiesc
diff --git a/css/leptonContent.css b/css/leptonContent.css
index 30a70e2..8eefc5c 100644
--- a/css/leptonContent.css
+++ b/css/leptonContent.css
@@ -459,7 +459,7 @@
   /** Activity Stream - Hide Firefox's logo ***********************************/
   @supports -moz-bool-pref("userContent.newTab.background_image") {
     body {
-      background-image: var(--uc-newTab-wallpaper);
+      background-image: var(--uc-newTab-wallpaper, url("../icons/Forest-trees-sunset-art-picture_3840x2160.jpg"));
       background-size: cover; /* or auto auto */
       background-repeat: no-repeat;
       background-position: right top;
diff --git a/icons/Forest-trees-sunset-art-picture_3840x2160.jpg b/icons/Forest-trees-sunset-art-picture_3840x2160.jpg
new file mode 100644
index 0000000..674893e
Binary files /dev/null and b/icons/Forest-trees-sunset-art-picture_3840x2160.jpg differ
diff --git a/src/contents/_activity_stream.scss b/src/contents/_activity_stream.scss
index c60dd40..496020c 100644
--- a/src/contents/_activity_stream.scss
+++ b/src/contents/_activity_stream.scss
@@ -221,7 +221,8 @@
   /** Activity Stream - Hide Firefox's logo ***********************************/
   @include Option("userContent.newTab.background_image") {
     body {
-      background-image: var(--uc-newTab-wallpaper);
+      // https://best-wallpaper.net/Forest-trees-sunset-art-picture_wallpapers.html
+      background-image: var(--uc-newTab-wallpaper, url("../icons/Forest-trees-sunset-art-picture_3840x2160.jpg"));
       background-size: cover; /* or auto auto */
       background-repeat: no-repeat;
       background-position: right top;