You're going to need to be a quick shot, that's for sure. Try to go after rabbits in open areas if you can, since they will be easier to follow. You want to be walking around and kicking whatever could make the rabbit flush. Might also want to bring along a friend, as rabbits, like some animals, are notable for doubling back.
Sources:
http://voices.yahoo.com/techniques-t...og-689332.html
http://www.outdoorlife.com/blogs/hun...s-without-dogs