The CGI (Common Gateway Interface) defines a way for a web server to interact with external content-generating programs, which are often referred to as CGI programs or CGI scripts. It is the simplest, ...
The documentation that comes with the CGI.pm module is good. It has a basic example of a working script, as well as examples and clear explanations for all of the functions it provides.
Stark takes you step by step through his process in adding realistic CGI models into a live action scene. Follow Stark on Twitter - And see the short film here - A diet millions swear by may be ...