Well I want the full thing to clean install on a Hackintosh MiniYour title DOESN'T "say it all"
Let's examine your question more closely.
Do you want the entire contents of your present drive on the flash drive?
Or, do you just want a "basic installation" of Snow Leopard? (that you can then just "dupe" onto any blank drive?)
Or, do you want a bootable USB drive version of the Installer itself?
There are several ways to go here...
A full copy?You can duplicate a drive with Disk Utility.
Yes but I'm not 100% if I could use that on an OS'less Hackintosh Mini I'm going to buildHave you checked into Carbon Copy Cloner?