diff --git a/includes/galleria.admin.inc b/includes/galleria.admin.inc
index a567f01..a2fcb38 100644
--- a/includes/galleria.admin.inc
+++ b/includes/galleria.admin.inc
@@ -419,6 +419,30 @@ function galleria_option_elements() {
       '#element_validate' => array('_galleria_validate_integer_auto'),
       '#default_value' => 'auto',
     ),
+    '_showFullscreen' => array(
+      '#type' => 'checkbox',
+      '#title' => t('Full-screen button'),
+      '#description' => t('Show the full-screen button in Galleria themes that support it.'),
+      '#default_value' => TRUE,
+    ),
+    '_showPopout' => array(
+      '#type' => 'checkbox',
+      '#title' => t('Popout button'),
+      '#description' => t('Show the popout button in Galleria themes that support it.'),
+      '#default_value' => TRUE,
+    ),
+    '_showProgress' => array(
+      '#type' => 'checkbox',
+      '#title' => t('Progress'),
+      '#description' => t('Show the progress in Galleria themes that support it.'),
+      '#default_value' => TRUE,
+    ),
+    '_showTooltip' => array(
+      '#type' => 'checkbox',
+      '#title' => t('Tool tip'),
+      '#description' => t('Show the tooltip in Galleria themes that support it.'),
+      '#default_value' => TRUE,
+    ),
   );
 }