HTC Incredible : Default Icons - Where They Stored In Droid?

If I have to keep on posting anew just to get basic answers (such as where Android Linux stores anything), then so be it I will! I like to cherry-pick my icons when an installed theme leaves me with the same one for different functions, or I just think the stock ones look better. This is possible with my home screen app (Dxtop), but I need to know where to find them in the Android system. I actually prefer the stock icons over any available icon paks on the Market, as the 2.1+ set is much more concise and complete than what I see available there (you have the choice of separate icons for camera & camcorder, or messaging next to your voicemail, which are only available from the stock set). The problem is that DxTop can find only the installed icon paks, go to the Market to find more, or call up Astro so that I can search for icons in my system - it has no clue where my stock icons are. Cannot imagine why Android makes it so difficult to use it's default icons, but I want to use them as needed. Can they even be viewed where they are stored on an un-rooted phone? If not, where would they be seen if my phone was rooted?