Landscape painting Photoshop Tutorials
Trees, forest,
http://www.rnel.net/tutorial/Photoshop/6305
http://www.sharecg.com/v/11387/tutorial/photoshop-tutorial:-painting-a-landscape
http://www.gfxartist.com/features/tutorials/27609
http://joereimer.deviantart.com/art/30-Easy-Steps-74155619
http://inqy.deviantart.com/art/Twilight-Process-67214423
http://gimpdome.deviantart.com/art/Digital-Painting-WIP-65243851
Mountains, distant landscape
http://www.cgarena.com/freestuff/tutorials/photoshop/landscape/
http://www.tutorialized.com/view/tutorial/Making-of-Neokathmandu/31672
http://chaosgoettin.deviantart.com/art/How-to-draw-Stones-Tutorial-64498530
http://www.celoxdesign.net/free-photoshop-tutorials/paint-a-fantasy-bridge/id/54
http://www.gfxartist.com/features/tutorials/66615
http://www.youtube.com/watch?v=pOKoSqTOUKI&feature=related
http://arctic-affinity.deviantart.com/art/Lifestream-48286916
Skies, clouds
http://www.tutorialized.com/view/tutorial/Painting-a-realistic-sky-landscape/10221
http://tutorials.epilogue.net/tutorials/landscape-painting
http://www.tutorialized.com/view/tutorial/Create-a-Lightning-with-PhotoShop/33076
http://photoshoptutorials.org/photoshop-tutorials/painting-a-realistic-landscape-part-1--the-sky.html
http://white-dragon-fang.deviantart.com/art/Landscape-and-Scenery-Tutorial-50051457
http://twinket.deviantart.com/art/EZ-Landscape-in-Twisted-Brush-62562291
http://www.androidblues.com/cloudtut.html
http://www.graphics.com/modules.php?name=Sections&op=viewarticle&artid=162&page=1
Space, planets, stars
http://www.gfxartist.com/features/tutorials/24398
http://bloknayrb.deviantart.com/art/Planet-Lighting-Tutorial-60165020
http://www.tutorialized.com/view/tutorial/Fiery-Planet-or-sun/32314
http://gallery.artofgregmartin.com/tuts_arts/making_a_planet.html
http://www.gfxartist.com/features/tutorials/24372
http://psdtuts.com/drawing/fiery-photoshop-space-explosion-tutorial/
Sea, Ocean, Water
http://www.tutorialized.com/view/tutorial/Making-of-Sea-Creature/33077
http://www.tutorialized.com/view/tutorial/Making-of-Winter-Blockade/31673
http://datameister.deviantart.com/art/Digital-Painting-Tutorial-27509948?q=by%3Adatameister&qh=sort%3Atime+-in%3Ascraps
http://nene77.deviantart.com/art/En-la-orilla-de-la-playa-62580616
http://hagge.deviantart.com/art/easy-waterdrop-tutorial-74044098
Other, Misc.
http://www.eyesontutorials.com/articles/335/1/The-basics-of-environment-sketching/Page1.html
http://www.abduzeedo.com/node/133
http://psdtuts.com/tutorials-effects/seriously-cool-photoshop-explosion-effect/
http://arctic-affinity.deviantart.com/art/Lifestream-48286916
