This tutorial was made with Bryce3D, version 6.
Those who have previous Bryce versions might have a look at Peter Sharpe's tutorial
in order to create a moon over the sea or any water surface. His tutorials are usually
very good and well-explained.

http://www.petersharpe.com/Tutorial8.htm
Here's an easy way to make a landscape with a moon reflecting over a water surface....

I will give you all the settings I have in my document for clarity. Once you you are done with
this very simple tutorial, you might experiment with other settings in order to create something
more elaborate or more to your liking. Notice that I reduced all my screenshots to 80% in order
to speed up the download of the images. I also wrote down all settings that are important
to achieve this tutorial so, even if you cannot see the big screenshots, you will be able to make it.
And, remember that you can always come back and post your questions if something is not
clear. That's what we are here for.
....let's start now.
Open up a new document in Bryce...
1. Go to the Menu > File > Open New Document.
Choose the size of your document.
Mine was 500 X 350 with "Antialiasing" and "Normal" checked.
The other options are neither described nor checked for I let them by default.
2. Go just over your workplace and click on the blue Water Plane just under "Create".
...do not click on the white icon...for it is the cloud plane!

....A water surface will be showing in your scene.
Adjust the proportions if necessary, or, look at the Nano Preview at the top left of the workplace and make
sure the *water* occupies the complete width of the bottom. See screenshot of Nano preview below.
*If not, click on the box icon on the left hand end side of your workplace and keep clicking on it till you see
a red wireframe, go back to your scene and grab one rectangle at the corner of the water wireframe and
strech it untill it covers the width of your scene entirely. Once you're done, look at the Nano preview or
click on the big grey ball to render your scene and make sure the water plane covers the area sufficiently.

Now we will go to the Sky Lab. We will set the sky resolutions and the moon appearance.
For this, Just follow the next instructions carefully...
3. Double-click on "Sky and Fog" (just next to "Edit")

you will see this small white icon appears...(which represents a cloud and a rainbow)

4. Double-click on the white icon to open the Sky Lab....
Once the Sky Lab opens, you will be in the in the "Sun and Moon Lab".
Once there, you might apply the settings below. Notice that I will mention about the settings I applied
only. Remember, If I don't mention about a setting, it is only because I let it by default.
Celestial
checkmark "Random Field" only
Moon Phase
Earthshine 83
Softness100
Sun/Moon Visible
Disk intensity 43
Glow Intensity 6
Sun/Moon Size
Disk Size 25
horizon Illusion 40
Halo Rings
Intensity42
Radius 19
Sun/Moon Shadows
Intensity 62
Soft Shadows checkmarked
Do not mind about the sun settings at the right hand end of the window for
we will set it later!

Do not close the window and go directly to the "Cloud Cover Lab"
Click on "Cloud Cover" to open the Cloud Lab.
And Apply the settings in step 6 right below
6. Cloud Cover
Status checkmarked
My clouds colours were set to white, orange and yellow respectively. (see coloured circles, top to bottom)
Cumulus checkmarked
Colours of the clouds chosen were cobalt blue, turquoise/yellow, and light yellow.
(see circles, top to bottom)
Notice that the clouds colours will not show as bright as these colours in the final image which is a good thing, eh?
Cloud Motion
Speed 10
turbulence 50
Cloud cover 20
Cloud Height 1
Frequency 12
Amplitude 143
...And Spherical Clouds was checkmarked!

....do not close the window yet and proceed to "Atmosphere" instead
Click on "Atmosphere" in order to access the Atmosphere Lab....Once in
the Atmosphere Lab, apply these settings ....
Fog
Density 29
Thickness 15
Base Height 12
Haze
Density7
Thickness 0
Base Height 19
Wait! once again do not close the window, go adjust the "Sun Controls" instead.
Look at the right end side of the window and make sure that the light is set to sun.
How do we do this? Simply check the small circle under "Sun Controls" and make sure it is
yellow. If not, simply click on it and it will turn yellow which means the sun. Now that you got your sun...be
patient for we are almost done....See the square under the sun? ... make sure it is white if not, click on it
and choose white as a colour.
Now you should see the moon appearing after applying the next settings...
"Azimuth" must be set at 316
and "Altitude" set to 2

Once you applied these settings , you CAN hit the checkmark at the bottom
of the window and finally close the Atmosphere Lab peacefully. Once back in your workplace,
click on the big gray ball to render...you should see a moon reflecting over your water surface.
I hope this helps.
If you have any questions concerning this tutorial, just go ahead and feel free to post them in this thread.
....and of course, you can post your results/images if you would like to. We'll certainly be very happy to see them!

TTFN!