http://www.renderosity.com/viewed.ez?galleryid=1056987&Start=1&Artist=thundering1&ByArtist=Yes If the image in this link is an example of what you're looking for: Selected the area below the ships, copied to their own layer (Ctrl+J) Applied a HEAVY Ocean Ripple filter - I may have even done a Poster Edges filter after that - then changed the layer mode to Overlay. Played with Levels (Ctrl+L) a bit until is was darker, richer, but clipped the blacks so you can see detals underneath. Masked (or you can Erase) it for soft edges like the air is evening out. Hope that helps.