ASA Version 8.3 NAT Configuration By: Jay Johnston
Jay Johnston is a Cisco Support Engineer. In this video blog, Jay outlines the basic concepts behind configuration Network Address Translation (NAT) on the Cisco ASA platform in software version 8.3.
NAT config example
https://supportforums.cisco.com/docs/DOC-9129
ASA 8.3 CLI Guide
http://www.cisco.com/en/US/docs/security
/asa/asa83/configuration/guide/nat_overview.html