Links I've found while studying the world of Puppet.

puppet.txt

http://about.digg.com/blog/master-puppets-2-speaking-language
http://agiletesting.blogspot.com/2009/11/automated-deployments-with-puppet-and.html
http://articles.itecsoftware.com/linux/install-and-configure-puppet-client-on-ubuntu-10-10
http://articles.itecsoftware.com/linux/install-and-configure-puppet-server-puppetmaster-on-ubuntu-10-10
http://bitfieldconsulting.com/puppet-and-mysql-create-databases-and-users
http://blog.credativ.com/en/2010/03/howto-introduction-to-puppet.html
http://blog.kumina.nl/2010/11/puppet-tipstricks-running-apt-get-update-only-when-needed/
http://en.gentoo-wiki.com/wiki/Puppet (the "User" portion)
http://evolvingweb.ca/story/controlling-your-cloud-puppet
http://library.linode.com/application-stacks/puppet/automation
http://library.linode.com/application-stacks/puppet/installation
http://people.redhat.com/dlutter/puppet-app.html
http://osdir.com/ml/puppet-users/2009-11/msg00068.html
http://projects.puppetlabs.com/projects/1/wiki/Puppet_Templating
http://projects.puppetlabs.com/projects/puppet/wiki/Puppet_Best_Practice
http://rcrowley.org/talks/django-2010-11-17/ / https://github.com/rcrowley/talk-django-puppet / https://gist.github.com/701221
http://serverfault.com/questions/161486/puppet-packages-puppet-forge-and-good-puppet-code
http://www.debian-administration.org/articles/526
http://www.debian-administration.org/articles/528
http://www.howtoforge.com/installing_puppet_on_ubuntu
http://www.puppetmanaged.org/documentation/
https://help.ubuntu.com/10.10/serverguide/C/puppet.html