Z-Blocks – flexible HTML blocks in any place of your Magento store
Z-Blocks – is a unique solution to control static blocks in your store. Now you don’t need to change template and layout files manually every time when you want to add an advertising banner or add some specific information. Now all the administration of static blocks is available in admin panel.
Z-Blocks extension uses native Magento functionality – you can create different static blocks for different Magento Store views.
Find more details and screenshots here – http://ecommerce.aheadworks.com/magento-extensions/z-blocks.html