chameleongeek, I can help you, also, since I do a lot of the foliage for the DT. When you've extracted your x100_000 files, the foliage is found under Entitities\Objects\Foliage. There will be a file for the tree (e.g. YellowCedar). Copy that to YOUR folders, to work on. Then, still in the same place, go into the ai folder that's there and get the xml file, which will also be called YellowCedar. Under Your Folders, make a separate folder called ai and put your copy of it there.
Now, you should have your OWN folder called (e.g. PinkCedar). Inside of that folder, there should be 3 other folders. Entities\Objects\Foliage (which holds the YellowCedar and ai files you copied); lang (containing a folder called 1033); ui (this is where the zoopedia lives).
That's the correct 'set-up' for the folder layout. Post again if you have any other questions. :original: