This is a very good place for the most important hint for all Mac zippers: Before you start, open the preferences (from DropZip, ZipIt, WhatEverZip) and TURN OFF MacBinary... Otherwise it will spoil it for your PC customers, and most of the time even for the Mac. To get the best of both worlds, use Macinstaller's "Export" to create a PC version. The Mac users get back the original package with it, and the PC users won't get trouble. If you really want to do a "ready-to-use" Mac version, then use SIT. The .sit link for Wintel is posted here frequently, so they can get it as well. But using MacBinary and then .zip is nothing but trouble. Should be banned! :-)