If you register for free, you will be able to post threads, vote on polls and lots more. If you have problems with the registration or logging in, please contact the administrator.
NB - I take no credit for this one!
My wife paints watercolours and sometimes produces some interesting effects. This is one of them.
The "coral" effect at bottom right is created by scattering salt on the wet paint.
Thought you might like to try the idea in Photoshop (or Painter?).