diff --git a/content/picker.js b/content/picker.js
index 97b4b4f..9bf673c 100644
--- a/content/picker.js
+++ b/content/picker.js
@@ -1,8 +1,11 @@
 import {getCssPath} from '../lib/css-path.js';
 
 let overlay;
+let tooltip;
 export function startPicker() {
   if (overlay) return;
+  
+  // Create main overlay
   overlay = document.createElement('div');
   overlay.style.position = 'fixed';
   overlay.style.top = '0';
@@ -14,6 +17,24 @@ export function startPicker() {
   overlay.style.border = '2px solid #2ac3ff';
   document.body.appendChild(overlay);
 
+  // Create tooltip
+  tooltip = document.createElement('div');
+  tooltip.style.position = 'fixed';
+  tooltip.style.zIndex = '2147483647';
+  tooltip.style.pointerEvents = 'none';
+  tooltip.style.backgroundColor = 'rgba(0, 0, 0, 0.8)';
+  tooltip.style.color = 'white';
+  tooltip.style.padding = '8px 12px';
+  tooltip.style.borderRadius = '6px';
+  tooltip.style.fontSize = '14px';
+  tooltip.style.fontFamily = 'Arial, sans-serif';
+  tooltip.style.whiteSpace = 'nowrap';
+  tooltip.style.boxShadow = '0 2px 8px rgba(0, 0, 0, 0.3)';
+  tooltip.style.transform = 'translate(-50%, -100%)';
+  tooltip.style.marginTop = '-10px';
+  tooltip.textContent = 'Click an image to select';
+  document.body.appendChild(tooltip);
+
   function move(e) {
     const el = e.target;
     const rect = el.getBoundingClientRect();
@@ -22,6 +43,10 @@ export function startPicker() {
     overlay.style.left = rect.left + 'px';
     overlay.style.width = rect.width + 'px';
     overlay.style.height = rect.height + 'px';
+    
+    // Update tooltip position
+    tooltip.style.left = e.clientX + 'px';
+    tooltip.style.top = e.clientY + 'px';
   }
 
   function click(e) {
@@ -35,8 +60,14 @@ export function startPicker() {
   function cleanup() {
     document.removeEventListener('mousemove', move, true);
     document.removeEventListener('click', click, true);
-    overlay.remove();
-    overlay = null;
+    if (overlay) {
+      overlay.remove();
+      overlay = null;
+    }
+    if (tooltip) {
+      tooltip.remove();
+      tooltip = null;
+    }
   }
 
   document.addEventListener('mousemove', move, true);