Quote Originally Posted by ravells View Post
Hmm you could try using the 'ripple' filter followed by an 'ocean ripple' filter...that gets break up too.
I couldn't get the Ocean Ripple filter to work on the white shape that I had created for my land mass; apparently, it ignores areas with no pixels in it.

What I worked for me was to create the layer, switch to the layer mask, draw my shape, then use the Ripple and Ocean Ripple filters; once that was done, I switched back to the layer and filled it with white.