diff --git a/static/css/base.css b/static/css/base.css
index c0884d9..1428f04 100644
--- a/static/css/base.css
+++ b/static/css/base.css
@@ -97,7 +97,8 @@ body { font-family: Arial, sans-serif; margin:0; }
 
 /* Submenu (fly-out for Themes) */
 .submenu { position: relative; }
-.submenu > a { display: flex; justify-content: space-between; align-items: center; }
+.submenu > a { display: flex; justify-content: space-between; align-items: center; padding-right: 28px !important; position: relative; }
+.submenu > a::after { content: "▸"; position: absolute; right: 10px; top: 50%; transform: translateY(-50%); }
 .submenu-content {
   display: none;
   position: absolute;
@@ -111,7 +112,7 @@ body { font-family: Arial, sans-serif; margin:0; }
 }
 .submenu-content li a { padding: 10px 14px; display: block; color: #eee; text-decoration: none; }
 .submenu-content li a:hover { background-color: #0af; color: #fff; }
-.submenu:hover .submenu-content { display: block; }
+.submenu:hover > .submenu-content { display: block; }
 
 /* Remove default list bullets and padding for all dropdowns & submenus */
 .dropdown-content,
diff --git a/static/js/auto-scroll.js b/static/js/auto-scroll.js
index 2d9f9a1..60586f2 100644
--- a/static/js/auto-scroll.js
+++ b/static/js/auto-scroll.js
@@ -11,7 +11,7 @@
   function setPref(v) { localStorage.setItem(PREF_KEY, v ? 'true' : 'false'); }
 
   const SELECTOR_PRIORITY = ['#guideOuter', '.guide-outer', '.grid-col'];
-  const scrollSpeed = 1.2; // px per frame (visual)
+  let scrollSpeed = 1.2; // px per frame (visual)
   const idleDelay = 15000; // ms initial inactivity/start delay (15s)
   const waitForContentMs = 5000; // wait up to 5s for rows to be populated before cloning
   const contentSampleCount = 3; // sample when checking readiness
@@ -436,6 +436,15 @@
     window.__autoScroll.clearEnd = function(){ endReached = false; endReachedAt = 0; };
     window.__autoScroll.recompute = function(){ scroller = null; };
     window.__autoScroll.cloneNow = function(){ if (!scroller) scroller = findScroller(); return cloneOnce(scroller); };
+    window.__autoScroll.setSpeed = function(speed) {
+      if (typeof speed === 'number' && speed > 0) {
+        scrollSpeed = speed;
+        log('setSpeed ->', scrollSpeed);
+      } else {
+        log('setSpeed: invalid speed', speed);
+      }
+    };
+    window.__autoScroll.getSpeed = function(){ return scrollSpeed; };
     window.__autoScroll.status = function(){ return { isScrolling, pref: prefEnabled(), loopMode, scrollerInfo: scroller ? { id: scroller.id, scrollTop: scroller.scrollTop, scrollHeight: scroller.scrollHeight, clientHeight: scroller.clientHeight, cloned: !!scroller.dataset.__autoScrollCloned, prependedHeight: scroller.dataset.__autoScrollPrependedHeight } : null, rafId: !!rafId, watchdog: !!watchdogInterval }; };
     window.__autoScroll.debug = function(){ return { lastActivity, idleDelay, scrollSpeed, isScrolling, pref: prefEnabled(), loopMode, endReached, endReachedAt, autoRestart, autoRestartDelayMs, scrollerInfo: scroller ? { id: scroller.id, scrollTop: scroller.scrollTop, scrollHeight: scroller.scrollHeight, clientHeight: scroller.clientHeight, cloned: !!scroller.dataset.__autoScrollCloned, prependedHeight: scroller.dataset.__autoScrollPrependedHeight } : null, rafId, lastFrameTime, watchdogInterval }; };
 
diff --git a/templates/_header.html b/templates/_header.html
index 9ecd347..97e2cfd 100644
--- a/templates/_header.html
+++ b/templates/_header.html
@@ -28,7 +28,20 @@
               <a href="{{ url_for('view_logs') }}">Logs</a>
               <li><a href="{{ url_for('about') }}">About</a></li>
               {% endif %}
-              <a href="#" id="toggleAutoScroll">Toggle Auto-Scroll</a>
+              <li class="submenu">
+                <a href="#">Auto-Scroll</a>
+                <ul class="submenu-content">
+                  <li><a href="#" id="toggleAutoScroll">Enable/Disable Auto-Scroll</a></li>
+                  <li class="submenu">
+                    <a href="#">Scroll Speed</a>
+                    <ul class="submenu-content">
+                      <li><a href="#" data-scroll-speed="slow">Slow</a></li>
+                      <li><a href="#" data-scroll-speed="medium">Medium</a></li>
+                      <li><a href="#" data-scroll-speed="fast">Fast</a></li>
+                    </ul>
+                  </li>
+                </ul>
+              </li>
               <a href="{{ url_for('change_password') }}">Change Password</a>
               <li class="submenu">
                 <a href="#">Themes</a>
@@ -109,7 +122,36 @@
           <li role="none"><a role="menuitem" href="{{ url_for('view_logs') }}">Logs</a></li>
           <li role="none"><a role="menuitem" href="{{ url_for('about') }}">About</a></li>
           {% endif %}
-          <li role="none"><a role="menuitem" href="#" id="mobileToggleAutoScroll">Toggle Auto-Scroll</a></li>
+          <li class="mobile-submenu" role="none">
+            <button
+              class="mobile-submenu-toggle"
+              aria-expanded="false"
+              aria-controls="mobileAutoScrollList"
+              type="button">
+              Auto-Scroll
+              <span class="mobile-submenu-caret" aria-hidden="true">▸</span>
+            </button>
+
+            <ul id="mobileAutoScrollList" class="mobile-submenu-list" role="menu" aria-hidden="true">
+              <li role="none"><a role="menuitem" href="#" id="mobileToggleAutoScroll">Enable/Disable Auto-Scroll</a></li>
+              <li class="mobile-submenu" role="none">
+                <button
+                  class="mobile-submenu-toggle"
+                  aria-expanded="false"
+                  aria-controls="mobileScrollSpeedList"
+                  type="button">
+                  Scroll Speed
+                  <span class="mobile-submenu-caret" aria-hidden="true">▸</span>
+                </button>
+
+                <ul id="mobileScrollSpeedList" class="mobile-submenu-list" role="menu" aria-hidden="true">
+                  <li role="none"><a role="menuitem" href="#" data-scroll-speed="slow">Slow</a></li>
+                  <li role="none"><a role="menuitem" href="#" data-scroll-speed="medium">Medium</a></li>
+                  <li role="none"><a role="menuitem" href="#" data-scroll-speed="fast">Fast</a></li>
+                </ul>
+              </li>
+            </ul>
+          </li>
           <li role="none"><a role="menuitem" href="{{ url_for('change_password') }}">Change Password</a></li>
 
           <!-- Nested Themes submenu -->
diff --git a/templates/guide.html b/templates/guide.html
index 08b7aa8..c54ecd9 100644
--- a/templates/guide.html
+++ b/templates/guide.html
@@ -547,6 +547,73 @@ <h3>Program Info</h3>
 });
 </script>
 
+<script>
+// Scroll Speed Selection Handler
+document.addEventListener('DOMContentLoaded', () => {
+  const speedMapping = {
+    'slow': 0.6,
+    'medium': 1.2,
+    'fast': 2.4
+  };
+
+  // Apply saved speed on page load
+  function applySavedSpeed() {
+    try {
+      const savedSpeed = localStorage.getItem('autoScrollSpeed') || 'medium';
+      const speedValue = speedMapping[savedSpeed] || 1.2;
+      if (window.__autoScroll && typeof window.__autoScroll.setSpeed === 'function') {
+        window.__autoScroll.setSpeed(speedValue);
+      }
+    } catch (e) {
+      console.debug('Failed to retrieve or apply saved auto-scroll speed from localStorage', e);
+    }
+  }
+
+  // Handle speed selection clicks
+  function handleSpeedClick(e) {
+    e.preventDefault();
+    const speed = e.target.dataset.scrollSpeed;
+    if (speed && speedMapping[speed]) {
+      try {
+        localStorage.setItem('autoScrollSpeed', speed);
+        const speedValue = speedMapping[speed];
+        if (window.__autoScroll && typeof window.__autoScroll.setSpeed === 'function') {
+          window.__autoScroll.setSpeed(speedValue);
+          console.debug('Scroll speed set to', speed, '(' + speedValue + ' px/frame)');
+        }
+      } catch (e) {
+        console.error('Failed to save scroll speed preference', e);
+      }
+    }
+  }
+
+  // Attach event listeners to all speed selection links
+  document.querySelectorAll('[data-scroll-speed]').forEach(link => {
+    link.addEventListener('click', handleSpeedClick);
+  });
+
+  // Apply saved speed when auto-scroll initializes
+  applySavedSpeed();
+
+  // Re-apply speed when auto-scroll is loaded (in case it loads after DOMContentLoaded)
+  // Use a retry mechanism with maximum attempts to handle async script loading
+  let retryCount = 0;
+  const maxRetries = 5; // Max 5 attempts to find auto-scroll API
+  const retryInterval = 100; // 100ms between retries (total max wait: 500ms)
+  
+  function retryApplySavedSpeed() {
+    if (window.__autoScroll && typeof window.__autoScroll.setSpeed === 'function') {
+      applySavedSpeed();
+    } else if (retryCount < maxRetries) {
+      retryCount++;
+      setTimeout(retryApplySavedSpeed, retryInterval);
+    }
+  }
+  
+  setTimeout(retryApplySavedSpeed, retryInterval);
+});
+</script>
+
 <!-- Mobile nav behavior (off-canvas toggle). Ensure this file contains the open/close and resize-dispatch code -->
 <script src="{{ url_for('static', filename='js/mobile-nav.js') }}" defer></script>
 <!-- Grid adapt script: computes scale on small screens so guide fits proportionally -->