+1 for both of the above. When creating content, it also comes in handy to save a series of default folders with empty folders inside named appropriately. Many of the contents that are DS and Poser-compatible have a path as such:

Content--Runtime--Libraries, Geometry and Textures (in same subfolder of Runtime but they are their own folders) Character--Poses (inside Character). You get the idea. That way when a user unzips the package, they just Merge it to their base Runtime folder and those merge with existing folders. Bing Bang Boom, easy peezy. (In Windows at least. Haven't done for a mac but its gotta be close, right? =)  ) 

That way when you're ready to package a new product, just copy your default setup and name the interior folders appropriate to your new product. And have a default copy just in case. If you work when you're sleep-deprived (like I do) it's easy to forget! 

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