How i Can show Tree and Halloween Accessories in city ?

How i Can show Tree and Halloween Accessories in city ?

i want Show Tree and Halloween Accessories From Media
how i can show it please
i mean that's

http://im24.gulfup.com/2012-05-03/1336021579701.jpg

WHAT? you mean remove these stuff? it's from map.pk2

grab the map.pk2 from the server that the image is from

its give me error

#Same. (I need it.. But how activate it?)