Okay, here is the .blend file for some low-poly trees and bushes to be used in the Blenderville: http://www23.brinkster.com/ondoval/gallery.html
(it’s under “Blenderville stuff”, trees.blend)
You may freely use those, and modify them as you see fit.
Pofo, if it’s possible, it could be better, if the file was directly in your site. I read today that Brinkster has somesort of low limit on traffic…