Programmatically create, apply and delete Shopping Cart Price Rule in Magento

http://inchoo.net/ecommerce/magento/programming-magento/programmatically-create-apply-and-delete-shopping-cart-price-rule-in-magento/

http://indiestechtips.wordpress.com/2012/02/17/create-shopping-cart-price-rules-programmatically-in-magento/

http://www.magentoworks.net/how-to-create-shopping-cart-price-rule-programmatically

http://mikebywaters.wordpress.com/2011/12/18/programmatically-create-shopping-cart-price-rules-with-conditions-and-actions/

http://stackoverflow.com/questions/2798069/creating-a-shopping-cart-price-rule-in-magento-automatically