http://larian.com/forums/ubbthreads.php?ubb=showflat&Number=629650#Post629650I just made a very short video of how I do it.
https://youtu.be/pigxUowRI6AI know it's not the "right" way, but it works for me

. Notice that you can get into the water, just not that far. There are other water elements you can use, and you can change the size of them all, so try them out

.