pick your place on the map.. double click.... and then enter the p3d name of the object in the box provided.. there are lists available of all objects
here are a few different bushes and trees for you to try out:
Bush - buxus data3d\ker buxus.p3d
Bush - holey data3d\ker deravej.p3d
Bush - leafy data3d\ker listnac.p3d
Bush - Rushes data3d\ker rakosi.p3d
Bush - spiked data3d\ker pichlavej.p3d
Tree - Appletree 1 data3d\jablon.p3d
Tree - Appletree 2 data3d\str_jablon.p3d
Tree - Aspen data3d\str osika.p3d
Tree - Beech data3d\str buk.p3d
Tree - Birch data3d\str briza.p3d
Tree - Birch - crooked data3d\str_briza_kriva.p3d
Tree - Birch - straight data3d\str_briza_rovna.p3d
Tree - Blackthorn data3d\str trnka.p3d