click once newbie questions

1. I do not want to hard code any publish or check for updates location. Instead I would like my end users to be able to install in one of two ways.
From CD or from network file share. If network file share I would like the check for updates to come from source location. Is this possible

2. Where do I add secondary data files. Under the publish tab I see application files. Can I add other files to the installation. If so how