I did reach out to Casper support regarding the Flashplayer and I was told they could not assist me. I needed to go to the forum.
Seems like you should ask for a new account manager to spend an hour or 2 with you remotely to show you some basics.
For Flash, we use 2 packages. We applied for the license, downladed .pkg from their site and put that directly in casper admin as package 1. We test flash updates internally and repeat this process for each update that comes out pushing latest Flash.pkg through JSS. The 2nd flash package we called 'FlashUpdateOff.dmg" and this is just a file called mms.cfg that sites in Library/Application Support/Macromedia with 2 lines in it
AutoUpdateDisable=1
SilentAutoUpdateEnable=0
you can create this file in the correct location using a basic text editor, I like Text Wrangler. Once you have it created, open Composer, then close the welcome snapshot page that opens. Drag the mms.cfg file you created to the left pane and it will create a package for you with that one file in it.
You could similarly add files to any package it if you needed to. Pay attention to the permissions at the bottom of composer window.
This is all stuff I would think support would walk you through to give you a basic understanding to get you started on the right foot. Check out the admin guide if you haven't already, but I've seen a few examples where it's outdated unfortunately.
http://www.jamfsoftware.com/resources/casper-suite-administrators-guide/
At some point when your confidence grows, check out Autopkg which helps for obtaining things like latest Flash.