Here's a set of quick links to articles that may help you when using Launchpad's daily builds feature.
Recipes and builds in Launchpad
New to Launchpad? Learn about the infrastructure behind daily builds.
Launchpad help: learn about Launchpad, right from the basics
Hosting and importing code in Launchpad: host Bazaar branches, import code from elsewhere, run code reviews
Personal Package Archives: create your own Ubuntu archive in Launchpad
Naming convention: ideas for sanely naming daily builds so users can easily find your software
Adopt-an-Upstream program: Ubuntu users and developers who particularly care about one upstream project
The Ubuntu packaging guide: learn how to package software for Ubuntu
The Debian policy: the number one resource on packaging questions
Building packages for daily builds
Other useful documentations
Going Back to the old version again: rolling packages back