Solaris Package Resources
Custom Solaris packages:
Solaris 2.5.1 Packages
Solaris 2.5.1 Sparc10 Packages
Solaris 8 Package

Solaris package building links:
Sun Packaging Guide
Google Search
Creating Solaris Packages
Creating pkgadd Software Packages under Solaris
Creating Solaris packages
BigAdmin: Installing OpenSSH
Sun Blueprints: Building and Deploying OpenSSH
Building OpenSSH

Here is a file of the commands I used to construct my custom Solaris 8 packages for zlib, tcpwrappers, openssl, and openssh. The paths are specific to my environment, but the list of commands and the process they describe may be useful to others.
Troy Johnson www.jdmz.net