It's your pond. Have it made or make it they way you want it. That's one of the joys of it being yours. Myself I like all things outdoor (pretty or rustic). I say if you want a waterfall make urself a waterfall.

The people who say I can't do it can just sit the @^#% down and watch me. Friends call me Rusto I also subscribe to pond boss mag. http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=504716#Post504716