Iceburg

im tryin to make an iceburg but im not sure how to make it look like this:

hers what i got so far:
http://img487.imageshack.us/my.php?image=iceburgyc9.jpg

Look into “subsurface scattering” and “caustics”. Searches here on the forums should turn up a fair amount of info.

-Stefan-

Did you also notice that your iceberg is purple? while a real one is white with only the parts in shadow showing up as blue due to the way atmosphere scatters light?