Index: branches/RC/core/units/general/helpers/file_helper.php
===================================================================
diff -u -N -r10720 -r11857
--- branches/RC/core/units/general/helpers/file_helper.php	(.../file_helper.php)	(revision 10720)
+++ branches/RC/core/units/general/helpers/file_helper.php	(.../file_helper.php)	(revision 11857)
@@ -159,7 +159,8 @@
 				if (preg_match('/^('.$field_prefix.'[\d]+|Primary'.$field_prefix.')$/', $field_name)) {
 					$fields[$field_name] = $field_options;
 					$virtual_fields[$field_name] = $field_options;
-					$virtual_fields['Delete'.$field_name] = Array ('type' => 'int', 'not_null' => 1, 'default' => 0);
+					$this->_createCustomFields($prefix, $field_name, $virtual_fields, $is_image);
+
 					$image_count++;
 				}
 			}
@@ -185,6 +186,22 @@
 		}
 
 		/**
+		 * Adds ability to create more virtual fields associated with main image/file
+		 *
+		 * @param string $prefix
+		 * @param string $field_name
+		 * @param Array $virtual_fields
+		 */
+		function _createCustomFields($prefix, $field_name, &$virtual_fields, $is_image)
+		{
+			$virtual_fields['Delete' . $field_name] = Array ('type' => 'int', 'not_null' => 1, 'default' => 0);
+
+			if ($is_image) {
+				$virtual_fields[$field_name . 'Alt'] = Array ('type' => 'string', 'default' => '');
+			}
+		}
+
+		/**
 		 * Downloads file to user
 		 *
 		 * @param string $filename