diff --git a/nivo_slider_slides.admin.inc b/nivo_slider_slides.admin.inc
index bad9a75..2f5a6ab 100644
--- a/nivo_slider_slides.admin.inc
+++ b/nivo_slider_slides.admin.inc
@@ -35,7 +35,7 @@ function nivo_slider_slide_configuration_form($form, &$form_state) {
       '#type' => 'fieldset',
       '#title' => t('Image !number: !title', array(
         '!number' => $slide + 1,
-        '!title' => $settings['title'],
+        '!title' => isset($settings['title']) ? $settings['title'] : '',
         )
       ),
       '#weight' => $slide,
@@ -45,31 +45,31 @@ function nivo_slider_slide_configuration_form($form, &$form_state) {
     );
     $form['images'][$slide]['path'] = array(
       '#type' => 'hidden',
-      '#value' => $settings['path'],
+      '#value' => isset($settings['path']) ? $settings['path'] : '',
     );
     $form['images'][$slide]['title'] = array(
       '#type' => 'textfield',
       '#title' => t('Title'),
-      '#default_value' => $settings['title'],
+      '#default_value' => isset($settings['title']) ? $settings['title'] : '',
       '#description' => t('The title is used as alternative text for the slide image.'),
     );
     $form['images'][$slide]['description'] = array(
       '#type' => 'text_format',
       '#title' => t('Description'),
-      '#default_value' => $settings['description']['value'],
+      '#default_value' => isset($settings['description']['value']) ? $settings['description']['value'] : '',
       '#format' => isset($settings['description']['format']) ? $settings['description']['format'] : NULL,
       '#description' => t('The description will be displayed with the slide image.'),
     );
     $form['images'][$slide]['url'] = array(
       '#type' => 'textfield',
       '#title' => t('Link slide to URL'),
-      '#default_value' => $settings['url'],
+      '#default_value' => isset($settings['url']) ? $settings['url'] : '',
     );
     $form['images'][$slide]['visibility'] = array(
       '#type' => 'textarea',
       '#title' => t('Show slide on specific pages'),
       '#description' => t("Specify pages by using their paths. Enter one path per line. The '*' character is a wildcard. Example paths are %blog for the blog page and %blog-wildcard for every personal blog. %front is the front page.", array('%blog' => 'blog', '%blog-wildcard' => 'blog/*', '%front' => '<front>')),
-      '#default_value' => $settings['visibility'],
+      '#default_value' => isset($settings['visibility']) ? $settings['visibility'] : '*',
     );
     $form['images'][$slide]['transition'] = array(
     	'#type' => 'select',
@@ -94,17 +94,17 @@ function nivo_slider_slide_configuration_form($form, &$form_state) {
   	    'boxRainGrowReverse' => t('Box Rain Grow Reverse'),
     	),
     	'#description' => t('Select a transition. Selecting an option other than %default will force this slide to use the selected transition every time it appears. It overrides all other effect settings.', array('%default' => '- Default -')),
-    	'#default_value' => $settings['transition'],
+    	'#default_value' => isset($settings['transition']) ? $settings['transition'] : '',
     );
     $form['images'][$slide]['weight'] = array(
       '#type' => 'weight',
       '#title' => t('Weight'),
-      '#default_value' => $settings['weight'],
+      '#default_value' => isset($settings['weight']) ? $settings['weight'] : 1,
     );
     $form['images'][$slide]['published'] = array(
       '#type' => 'checkbox',
       '#title' => t('Published'),
-      '#default_value' => $settings['published'],
+      '#default_value' => isset($settings['published']) ? $settings['published'] : TRUE,
     );
     $form['images'][$slide]['delete'] = array(
       '#type' => 'checkbox',