Photoshop tutorial: Ice.
Make a new canvas: Width 1071 pixels
Height 1259 Pixels
Resolution 59.055 pixels\cm.
Mode RGB colour
White background
Select colours #0600FC as the foreground and #00EAFF as the background.
Filer > Render > Clouds. Then press Ctrl+F a few times
Filter > Render > Difference Clouds. Now you will have a murky looking black and green mess. But Don?t worry.
Filter > Brush strokes > sumi-e.
Stroke width 12
Stroke Pressure 2
Contrast 16
Filter > Sketch > Bas Relief.
Detail 13
Smoothness 3
Light direction Bottom
And there you go. Hope this is easy to follow adn useful aswell. Welles what do you mean "rotten" ice. I was going to try a few streams of running water/droplets going down the picture but I don't know how to.
Hope you like. Also added 2 more variations.