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diff --git a/viewer/src/components/LdThumbnail.vue b/viewer/src/components/LdThumbnail.vue
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+++ b/viewer/src/components/LdThumbnail.vue
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+<!-- ldgallery - A static generator which turns a collection of tagged
+--             pictures into a searchable web gallery.
+--
+-- Copyright (C) 2019-2020  Guillaume FOUET
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU Affero General Public License as
+-- published by the Free Software Foundation, either version 3 of the
+-- License, or (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Affero General Public License for more details.
+--
+-- You should have received a copy of the GNU Affero General Public License
+-- along with this program.  If not, see <https://www.gnu.org/licenses/>.
+-->
+
+<template>
+  <div :class="{'preload': loading}">
+    <v-lazy-image
+      v-if="item.thumbnail"
+      :src="pictureSrc(item.thumbnail.resource)"
+      :style="pictureStyle()"
+      :title="item.title"
+      @intersect="loading=true"
+      @load="loading=false"
+    />
+    <div v-else class="thumbnail-other flex-column flex-center">
+      <div>
+        <fa-icon :icon="getIcon()" size="4x" />
+      </div>
+      {{item.title}}
+    </div>
+  </div>
+</template>
+
+<script lang="ts">
+import { Component, Vue, Prop } from "vue-property-decorator";
+import Navigation from "@/services/navigation";
+
+@Component
+export default class LdThumbnail extends Vue {
+  @Prop({ required: true }) readonly item!: Gallery.Item;
+
+  loading: boolean = false;
+
+  pictureSrc(resource: string) {
+    return `${process.env.VUE_APP_DATA_URL}${this.$galleryStore.config!.galleryRoot}${resource}`;
+  }
+
+  pictureStyle() {
+    const resolution = this.item.thumbnail!.resolution;
+    return { width: `${resolution.width}px`, height: `${resolution.height}px` };
+  }
+
+  getIcon() {
+    return Navigation.getIcon(this.item);
+  }
+}
+</script>
+
+<style lang="scss">
+@import "~@/assets/scss/theme.scss";
+
+.thumbnail-other {
+  width: $thumbnail-other-size;
+  height: $thumbnail-other-size;
+  padding-top: $body-line-height * 1em;
+  text-align: center;
+  word-break: break-word;
+  overflow: hidden;
+  > div {
+    min-height: $body-line-height * 3em;
+  }
+}
+
+.preload {
+  animation: preloadAnimation 1s infinite ease-in-out alternate;
+}
+@keyframes preloadAnimation {
+  from {
+    background-color: $content-bgcolor;
+  }
+  to {
+    background-color: $loader-color;
+  }
+}
+</style>