First, great idea. Second, suggestions: The Japanese culture is very reserved. Unless you are trying to portray an unusual couple, try to make the body language more subdued. A great deal of affection can be demonstrated by placing the couple very close, but not touching, just gazing into one another's eyes. For the background, subdue the colors of the water and sky, then reduce the bump maps. Add contrast by reducing Vue's ambient lighting. You may try adding a very small amount of haze into the atmosphere, but not too much or the whole image will wash out. Finally, you need to fix your perspective. It seems you wish to make the waterfall appear to be a good distance away, yet the viewer immediately compares the trees on the waterfall's cliff to the one by the couple, and the entire perspective is thrown off because the closer tree is so small. Either make the closest tree very large so it looms over the couple and frames the picture, or shrink the trees on the waterfall's cliff. You have a great start. Hope some of this helps bring your original idea to life.