Yes, actually. http://rainbath.imcore.eu/ Although I never have used it. But really, it could be done in a simple way using only SketchUp Scenes and hidden surface which represents the water level. Plus there are a couple object animation plugins that can make it easier to actually move a "water" plane between scenes. There's Proper Animation and Keyframe Animation. Here's a short video made using KeyFrame: YouTube - coast [flash=480,385:2s963qod]http://www.youtube.com/v/1l7CXbQHrxQ?fs=1&hl=en_US[/flash:2s963qod]