This tutorial shows two ways to install/uninstall addons. First method is to copy addon in addons folder and second method uses an addon manager called Minion.
WATER - Water And Terrain Enhancement Redux : http://www.nexusmods.com/skyrim/mods/13268 This mod enhances Skyrim's water with all new textures, meshes, effects, general fixes, cosmetic fixes, and also new content.
GAMEPLAY EFFECTS AND CHANGES :
Achieve That : http://www.nexusmods.com/skyrim/mods/30212 Adds unique achievements to your game. Most of them have beneficial effects. Fishing In Skyrim: http://www.nexusmods.com/skyrim/mods/16139 Adds working fishing poles, nets, dwarven boomfishing, working fishing gear, and many other fishing-themed goodies to Skyrim. Move it Dammit for NPC Companions and Followers : http://www.nexusmods.com/skyrim/mods/4020 Increases the distance that Companions and Creatures walk to when being "Bumped". Run For Your Lives : http://www.nexusmods.com/skyrim/mods/23906 This makes citizens in a village or city run indoors during a dragon attack. Skyrim -Community- Uncapper : http://www.nexusmods.com/skyrim/mods/1175 Unlock the skill level caps of
100 and push them to 10000. You will also get benefits from skills above level 100, up to level 199 including enchantement bonuses.
Static Mesh Improvement Mod - SMIM : http://www.nexusmods.com/skyrim/mods/8655 Edits many 3D models to improve their appearance and to fix many of the ugly seams and other oddities.