diff -ru typo3_orig/sysext/setup/mod/index.php typo3/sysext/setup/mod/index.php
--- typo3_orig/sysext/setup/mod/index.php	2010-12-16 14:17:11.000000000 +0100
+++ typo3/sysext/setup/mod/index.php	2010-12-16 19:01:53.000000000 +0100
@@ -302,6 +302,15 @@
 		);
 		$this->doc->table_TR = '<tr>';
 		$this->doc->table_TABLE = '<table border="0" cellspacing="1" cellpadding="2" class="typo3-usersettings">';
+
+		// Hook for changing the init settings form
+        if (!empty ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/setup/mod/index.php']['initSettingsForm'])
+          && is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/setup/mod/index.php']['initSettingsForm'])) {
+			foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/setup/mod/index.php']['initSettingsForm'] as $funcRef) {
+                $params = array();
+				t3lib_div::callUserFunction($funcRef, $params, $this);
+			}
+		}
 	}
 
 	/**
@@ -341,7 +350,7 @@
 						$LANG->getLL('enableInstallTool.file'),
 						t3lib_FlashMessage::OK
 					);
-			}
+				}
 				$this->content .= $flashMessage->render();
 			}
 			if (t3lib_div::_POST('createInstallToolEnableFile')) {
@@ -362,9 +371,9 @@
 						$LANG->getLL('enableInstallTool.file'),
 						t3lib_FlashMessage::ERROR
 					);
-			}
+				}
 				$this->content .= $flashMessage->render();
-		}
+			}
 		}
 
 		if ($this->languageUpdate) {
@@ -390,6 +399,17 @@
 
 		$this->content .= $this->doc->header($LANG->getLL('UserSettings').' - '.$BE_USER->user['realName'].' ['.$BE_USER->user['username'].']');
 
+        // Hook for adding a flash message
+        if (!empty ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/setup/mod/index.php']['additionalFlashMessages'])
+          && is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/setup/mod/index.php']['additionalFlashMessages']))	{
+			foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/setup/mod/index.php']['additionalFlashMessages'] as $funcRef) {
+                $params = array(
+                    'lang' => $LANG
+                );
+				t3lib_div::callUserFunction($funcRef, $params, $this);
+			}
+		}
+
 			// show if setup was saved
 		if ($this->setupIsUpdated) {
 			$flashMessage = t3lib_div::makeInstance(