first upload all files

Modules/Media/Resources/views/admin/media/partials/table/action.blade.php

@@ -0,0 +1,11 @@
+<button type="button" class="btn btn-default select-media"
+    data-id="{{ $file->id }}"
+    data-path="{{ $file->path }}"
+    data-filename="{{ $file->filename }}"
+    data-type="{{ strtok($file->mime, '/') }}"
+    data-icon="{{ $file->icon() }}"
+    data-toggle="tooltip"
+    title="{{ trans('media::media.file_manager.select_this_file') }}"
+>
+    <i class="fa fa-check-square-o"></i>
+</button>

Modules/Media/Resources/views/admin/media/partials/table/thumbnail.blade.php

@@ -0,0 +1,7 @@
+<div class="thumbnail-holder">
+    @if ($file->isImage())
+        <img src="{{ $file->path }}" alt="thumbnail">
+    @else
+        <i class="file-icon fa {{ $file->icon() }}"></i>
+    @endif
+</div>