diff --git a/includes/ScaldAtomController.inc b/includes/ScaldAtomController.inc
index cd1f898..c7fdf4d 100644
--- a/includes/ScaldAtomController.inc
+++ b/includes/ScaldAtomController.inc
@@ -37,6 +37,37 @@ class ScaldAtomController extends DrupalDefaultEntityController {
   }
 
   /**
+   * Returns the default description for a file or image field for an atom type.
+   */
+  public static function getFieldDescription($type, $field_name = 'scald_thumbnail') {
+    $description = '';
+    $field = field_info_field($field_name);
+    $instance = field_info_instance('scald_atom', $field_name, $type);
+    if ($field && $instance) {
+      $description = $instance['description'];
+    }
+    return $description;
+  }
+
+  /**
+   * Returns the default upload validators for a file or image field for an atom type.
+   */
+  public static function getFieldUploadValidators($type, $field_name = 'scald_thumbnail') {
+    $upload_validators = array();
+    $field = field_info_field($field_name);
+    $instance = field_info_instance('scald_atom', $field_name, $type);
+    if ($field && $instance) {
+      // Add upload file validation.
+      $upload_validators = file_field_widget_upload_validators($field, $instance);
+      if ($type === 'image' && (!empty($instance['settings']['max_resolution']) || !empty($instance['settings']['min_resolution']))) {
+        // Add upload image validation.
+        $upload_validators['file_validate_image_resolution'] = array($instance['settings']['max_resolution'], $instance['settings']['min_resolution']);
+      }
+    }
+    return $upload_validators;
+  }
+
+  /**
    * Add a Scald unified type.
    *
    * This function create a new type if it does not already exist. It can be
diff --git a/modules/providers/scald_image/scald_image.module b/modules/providers/scald_image/scald_image.module
index d3dad57..f104bc1 100644
--- a/modules/providers/scald_image/scald_image.module
+++ b/modules/providers/scald_image/scald_image.module
@@ -33,13 +33,18 @@ function scald_image_scald_wysiwyg_context_list_alter(&$contexts) {
  */
 function scald_image_scald_add_form(&$form, &$form_state) {
   $defaults = scald_atom_defaults('image');
+  $defaults->description = ScaldAtomController::getFieldDescription('image');
+  $defaults->upload_validators = ScaldAtomController::getFieldUploadValidators('image');
   $type = scald_type_load('image');
   $form['file'] = array(
     '#type' => $defaults->upload_type,
     '#title' => check_plain(scald_type_property_translate($type)),
     '#upload_location' => ScaldAtomController::getThumbnailPath('image'),
-    '#upload_validators' => array('file_validate_extensions' => array('jpg jpeg png gif')),
+    '#upload_validators' => $defaults->upload_validators,
   );
+  if ($defaults->upload_type === 'managed_file') {
+    $form['file']['#description'] = theme('file_upload_help', array('description' => $defaults->description, 'upload_validators' => $defaults->upload_validators));
+  }
   if ($defaults->upload_type == 'plupload') {
     $form['scald_authors'] = array(
       '#type' => 'textfield',