Certainly along similar lines ;) Sod's law, 10 minutes after posting I think I've found it, http://freespace.virgin.net/hugo.elias/graphics/x_water.htm http://

Certainly along similar lines ;) Sod's law, 10 minutes after posting I think I've found it, http://freespace.virgin.net/hugo.elias/graphics/x_water.htm http://freespace.virgin.net/hugo.elias/graphics/x_water.htm