If someone use Skylight or an Ambient Cubemap the reflection of them on a large area like water is to dominant, an option in the material is needed to remove them from the reflection. Or better to be able the adjust the reflection 0%-100%
without Ambient Cubemap (the shadow from the mountain on the lake is seen):
with Ambient Cubemap (the shadow from the mountain on the lake is not seen):
in this link are screenshots with Skylights:
[link text][3]

