The following wiki page explains how to create your own .dmg files for use with Munki:
You won't need extra software, you'll be using the default command-line tools which come with Mac OS X.
Seems the DMG creating can be done with a one-liner, my m8 Nate gave me a heads-up about this.
Once I've tested it I'll update the wiki page, the easier the better right? :)
Here's the one-liner:
hdiutil create -srcfolder /path/to/item/to/add /path/to/nameof.dmg
Gave it a shot and the one-liner gives the same result as my previous double-liner.
Updating the wiki page, thanks Nate.
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