Tutorials
http://www.jmarshall.com/easy/cgi/
http://www.cc.ukans.edu/~acs/docs/other/forms-intro.shtml
http://www.cc.ukans.edu/~acs/docs/other/cgi-with-perl.shtml
http://www.practical-inet.com/
http://www.catt.ncsu.edu/projects/perl/
http://www.alpha-net.org/AlphaNetCGIHelp.htm
http://www.jemtek.com.au/jemtek/cgi/tutorial.htm
http://www.raingod.com/raingod/resources/Programming/Perl/Notes/CGIDebugging.html
FAQ
http://www.boutell.com/openfaq/cgi/
Free Scripts:
http://www.worldwidemart.com/scripts/
CGIwrap
http://www.umr.edu/~cgiwrap/