It's a lot easier for most of us to cook a meal from a recipe, rather than just throwing things into a pot until something edible forms. So it is with programming as well. Module::Install makes writing Perl module installers as easy as possible. Having a set of easy to understand samples, makes it simpler yet.
That doesn't do the package justice. I'm deep into a Perl rut here and you'll just have to bear with me. I always appreciate it when people try to improve the status quo. And I think that's just what Brian "Ingy" Ingerson and Autrijus Tang have done with Module::Install. It's taken me over a year to get into this and I plan to move all my Perl modules to using Module::Install instead of ExtUtils::MakeMaker (bleh).
Read about the module on CPAN!
More information on this package can be found on the Debian web site.
(If there is a package you would like to see featured here, go to the userinfo page and follow the directions there to submit your entry.)