Streamers are great. Little woolies work well as a standard as well as bigger stuff as well. While wade fishing focus on a very slow retrieve as your fly will always go down and across and then slowly stripping it up river. When fishing from a boat I prefer to swim the fly across the stream while paying attention to the action of the fly, it is much more visual from a boat. If wading try some beadhead pine squirrel leechs in different colors, little woolies, mohair leeches, etc.