diff --git a/src/Site/BlockLayout/SmartGallery.php b/src/Site/BlockLayout/SmartGallery.php
index f681562..61d47b7 100644
--- a/src/Site/BlockLayout/SmartGallery.php
+++ b/src/Site/BlockLayout/SmartGallery.php
@@ -90,8 +90,12 @@ class SmartGallery extends AbstractBlockLayout
 			{
 				$mediaType = $media->mediaType();
 				$mediaRenderer = $media->renderer();
-				if ((strpos($mediaType, 'image/') !== false) || (strpos($mediaRenderer, 'youtube') !== false)) {
-					array_push($images, ["media_url" => $media->originalUrl(),
+				if (strpos($mediaType, 'image/') !== false) {
+          $new_url = $media->originalUrl();
+          // original files size may be very large. /large/<name>.jpg is smaller
+          $new_url = substr_replace($new_url, 'jpg', strrpos($new_url, '.') +1);
+          $new_url = str_replace("original", "large", $new_url);
+					array_push($images, ["media_url" => $new_url,
                                "item_url" => $attachment->item()->url(),
                                "image_title" => $media->title(),
                                "img_id" => 'gi_' . $gallery_id . '_' . $img_id,
diff --git a/view/common/block-layout/smartGallery.phtml b/view/common/block-layout/smartGallery.phtml
index 5b7f5b8..10dfcb1 100644
--- a/view/common/block-layout/smartGallery.phtml
+++ b/view/common/block-layout/smartGallery.phtml
@@ -6,6 +6,12 @@ $this->headLink()->appendStylesheet($this->assetUrl('css/style.css',
 
 ?>
 
+<!--
+<script>
+console.log(<?= json_encode($images, JSON_UNESCAPED_SLASHES) ?>)
+</script>
+-->
+
 <?php $image_id = 0; ?>
 
 <div class="archive-item-block smart-gallery">