A good YouTube video here showing bathing, with lots of links to others to the side.
[ame]http://www.youtube.com/watch?v=XnninZ_itAU[/ame]
I think if the rabbit hated water it would scramble away like some rabid hay muncher, but looking at this rabbit it seems to actually enjoy it.
Down to the rabbit maybe ?
Plus I suspect your taking the natural oils away from the skin/fur when you bathe so it would not be advised to do it often but once in a while it be no more like a rabbit stuck in a down pour which happens in the wild.