fixing image rendering

ui/src/views/listings/ListingDetail.jsx

@@ -324,7 +324,12 @@ export default function ListingDetail() {
         <Row>
           <Col span={24} lg={12}>
             <div className="listing-detail__image-container">
-              <Image src={listing.image_url || no_image} fallback={no_image} preview={true} />
+              <Image
+                src={listing.image_url}
+                fallback={no_image}
+                style={{ width: '100%', height: '100%' }}
+                preview={true}
+              />
             </div>
           </Col>
           <Col span={24} lg={12}>

ui/src/views/listings/Map.jsx

@@ -378,7 +378,10 @@ export default function MapView() {
 
         const popupContent = `
           <div class="map-popup-content">
-            <img src="${listing.image_url || no_image}" alt="${listing.title}" />
+            <img
+              src="${listing.image_url}"
+              onerror="this.onerror=null;this.src='${no_image}'"
+            />
             <h4>${listing.title}</h4>
             <div class="info">
               <span><strong>Price:</strong> ${listing.price ? listing.price + ' €' : 'N/A'}</span>