-Are the unique landscapes mods any good? Does it interfere with natural environments mod?
-What other mods would you recommend I add? I'm trying to stay away from the nonsense mods.
-Depth of field is awesome, but installing it messes with the shaders and the ground becomes purple! Is there any solution to this?
The Unique Landscapes mods are some of the best mods ever made by this community. Many of us consider them to be essential, must-have mods. I use anywhere from four to six of them in any particular game. I have never experienced a conflict with any weather mod.
Most folks use http://www.gamesas.com/index.php?/topic/1217994-relz-weather-all-natural-thread-36/ for weather nowadays. I continue to use the Natural habitat mod, however, and love it.
What is your definition of a "nonsense mod?" This term is too vague to mean anything to anybody but you. What might be "nonsense" to me might be the most essential mod in your mod list, and vice-versa.
I can't stand depth-of-field so I can't answer your third question.
Here is a recent thread with suggestions of immersion mods, if you're interested: http://www.gamesas.com/index.php?/topic/1218287-must-have-immersion-mods/