You can also
try searching the web for pictures of unusual trees and use them.
To do this, go to www.altavista.com
and search under the word tree. See if the search engine will
give you some better suggestions. The suggestions will appear
under the search area. One of the suggestions might be, ”tree
pictures”. Click on this and see what happens. You might also
look at the top part of the altavista search engine. There is a
word called images here and when you click on this and search
for ”trees”, it will give you a number of pictures.