diff --git a/assets/css/main.css b/assets/css/main.css
index df62f217..707455ce 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -2529,7 +2529,7 @@ footer.site-footer {
      Cover, die jeden Rand auffüllt, den "contain" freilässt — dadurch
      wirkt es trotzdem randlos, obwohl die scharfen Pixel garantiert
      nie beschnitten werden. */
-  background-image: url("../img/universe-trio.jpg"), url("../img/universe-trio-blur.jpg");
+  background-image: url("../img/universe-trio.jpg?v=20260820h"), url("../img/universe-trio-blur.jpg?v=20260820h");
   background-size: contain, cover;
   background-position: center, center;
   background-repeat: no-repeat, no-repeat;
diff --git a/assets/img/bg-streamplan-mobile.jpg b/assets/img/bg-streamplan-mobile.jpg
index 4838e7ee..ca3fc60c 100644
Binary files a/assets/img/bg-streamplan-mobile.jpg and b/assets/img/bg-streamplan-mobile.jpg differ
diff --git a/assets/img/bg-streamplan.jpg b/assets/img/bg-streamplan.jpg
index fdb051d4..53140103 100644
Binary files a/assets/img/bg-streamplan.jpg and b/assets/img/bg-streamplan.jpg differ
diff --git a/assets/img/universe-trio-blur.jpg b/assets/img/universe-trio-blur.jpg
index acf0889c..cb58acfa 100644
Binary files a/assets/img/universe-trio-blur.jpg and b/assets/img/universe-trio-blur.jpg differ
diff --git a/assets/img/universe-trio.jpg b/assets/img/universe-trio.jpg
index 34e0b181..ddfc904e 100644
Binary files a/assets/img/universe-trio.jpg and b/assets/img/universe-trio.jpg differ
diff --git a/streamplan.html b/streamplan.html
index ee0c228b..ac3b1134 100644
--- a/streamplan.html
+++ b/streamplan.html
@@ -24,12 +24,12 @@
 <link rel="stylesheet" href="assets/css/theme-hasidog.css?v=20260820h" />
 <link rel="stylesheet" href="assets/css/theme-spicymedia.css?v=20260820h" />
 </head>
-<body class="mit-hintergrund" style="--page-bg:url('/assets/img/bg-streamplan.jpg');--page-bg-mobile:url('/assets/img/bg-streamplan-mobile.jpg');">
+<body class="mit-hintergrund" style="--page-bg:url('/assets/img/bg-streamplan.jpg?v=20260820h');--page-bg-mobile:url('/assets/img/bg-streamplan-mobile.jpg?v=20260820h');">
 <div id="site-header"></div>
 
 <main>
   <section class="hero page-bg">
-    <div class="hero-banner"><img src="/assets/img/bg-streamplan.jpg" alt="" loading="eager" /></div>
+    <div class="hero-banner"><img src="/assets/img/bg-streamplan.jpg?v=20260820h" alt="" loading="eager" /></div>
     <div class="container">
       <span class="eyebrow" data-i18n="sp_eyebrow">Welt 1 — DogFather</span>
       <h1 data-i18n="sp_h1">Streamplan &amp; Livebereich</h1>