Nutrient Deficiencies and plant problems

As we all know plants don't grow perfectly all the time. What I'm looking to do is put together a complete guide to nutrient deficiencies and plant problems with pictures and ways to correct the problems and need some help putting it together so pictures, links to other guides, ways to fix the problems, and any infromation to put together an all in one guide to diagnose and correct plant problems. Thank you in advanced

you obviously havent looked very hard, goto plant problems stickey threads.