How to get Current Page URL, Module, Controller and Action Name, CMS Page URL and Current Skin URL in Magento.

<?php
$currentUrl = $this->helper('core/url')->getCurrentUrl();  // Get Current Page URL

$request = $this->getRequest();
$module = $request->getModuleName();  // Get Current Module Name
$controller = $request->getControllerName();  // Get Current Controller Name
$action = $request->getActionName();  // Get Current Action Name

Mage::app()->getFrontController()->getRequest()->getModuleName();  //Get Current Module Name
Mage::getSingleton('cms/page')->getIdentifier();  // Get Current CMS page
Mage::app()->getFrontController()->getRequest()->getRouteName();  // Get Route Name
Mage::getSingleton('cms/page')->getIdentifier();  // Get Identifier Name

Mage::getDesign()->getSkinUrl(); // Get Current Skin URL
?>