diff --git a/sharethis.module b/sharethis.module
index c10ac3d..91883e0 100644
--- a/sharethis.module
+++ b/sharethis.module
@@ -164,7 +164,12 @@ function sharethis_configuration_form($form, &$form_state) {
   }
 
   // Add help text for the 'content' location.
-  $form['context']['content']['#children'] = t('You must place the ShareThis links in the "Manage Display" section of each content type.');
+  $form['context']['content']['help'] = array(
+    '#markup' => t('When using the Content location, you must place the ShareThis links in the <a href="@url">Manage Display</a> section of each content type.', array('@url' => url('admin/structure/types'))),
+    '#weight' => 10,
+    '#prefix' => '<em>',
+    '#suffix' => '</em>',
+  );
   // Add help text for the 'block' location.
   $form['context']['block']['#children'] = t('You must choose which region to display the <em>ShareThis block</em> in from the <a href="@blocksadmin">Blocks administration</a>.', array('@blocksadmin' => url('admin/structure/block')));
 
@@ -186,6 +191,20 @@ function sharethis_configuration_form($form, &$form_state) {
     );
   }
 
+  // Allow the user to choose which content types will have ShareThis added
+  // when using the 'Content' location.
+  $content_types = array();
+  $enabled_content_types = variable_get('sharethis_node_types', array());
+  foreach($entity_info['bundles'] as $bundle => $bundle_info) {
+    $content_types[$bundle] = t($bundle_info['label']);
+  }
+  $form['context']['content']['sharethis_node_types'] = array(
+    '#title' => t('Node Types'),
+    '#description' => t('Select which node types the ShareThis widget should appear on.'),
+    '#type' => 'checkboxes',
+    '#options' => $content_types,
+    '#default_value' => $enabled_content_types,
+  );
   $form['context']['sharethis_comments'] = array(
     '#title' => t('Comments'),
     '#type' => 'checkbox',
@@ -353,30 +372,36 @@ function sharethis_node_view($node, $view_mode, $langcode) {
   // Check where we want to display the ShareThis widget.
   switch (variable_get('sharethis_location', 'content')) {
     case 'content':
-      $node->content['sharethis'] = array(
-        '#tag' => 'div', // Wrap it in a div.
-        '#type' => 'html_tag',
-        '#attributes' => array('class' => 'sharethis-buttons'),
-        '#value' => sharethis_get_button_HTML($data_options, $mPath, $mTitle),
-        '#weight' => intval(variable_get('sharethis_weight', 10)),
-      );
+      $enabled_types = variable_get('sharethis_node_types', array());
+      if (isset($enabled_types[$node->type]) && $enabled_types[$node->type]) {
+        $node->content['sharethis'] = array(
+          '#tag' => 'div', // Wrap it in a div.
+          '#type' => 'html_tag',
+          '#attributes' => array('class' => 'sharethis-buttons'),
+          '#value' => sharethis_get_button_HTML($data_options, $mPath, $mTitle),
+          '#weight' => intval(variable_get('sharethis_weight', 10)),
+        );
+      }
     break;
     case 'links':
-      $links['sharethis'] = array(
-        'html' => TRUE,
-        'title' => sharethis_get_button_HTML($data_options, $mPath, $mTitle),
-        'attributes' => array('class' => 'sharethis-buttons'),
-      );
-      $node->content['links']['sharethis'] = array(
-        '#theme' => 'links',
-        '#links' => $links,
-        '#attributes' => array(
-          'class' => array('links', 'inline'),
-        ),
-        '#tag' => 'div', // Wrap it in a div.
-        '#type' => 'html_tag',
-        '#weight' => intval(variable_get('sharethis_weight', 10)),
-      );
+      $enabled_view_modes = variable_get('sharethis_' . $node->type . '_options', array());
+      if (isset($enabled_view_modes[$view_mode]) && $enabled_view_modes[$view_mode]) {
+        $links['sharethis'] = array(
+          'html' => TRUE,
+          'title' => sharethis_get_button_HTML($data_options, $mPath, $mTitle),
+          'attributes' => array('class' => 'sharethis-buttons'),
+        );
+        $node->content['links']['sharethis'] = array(
+          '#theme' => 'links',
+          '#links' => $links,
+          '#attributes' => array(
+            'class' => array('links', 'inline'),
+          ),
+          '#tag' => 'div', // Wrap it in a div.
+          '#type' => 'html_tag',
+          '#weight' => intval(variable_get('sharethis_weight', 10)),
+        );
+      }
     break;
   }
 }