Just a small textures mod list to enhance your experience with more details and customize the game as you want.
Remember you can make this step any time of your playthrough!


Extra info:
Reapas kindly provided a extended list with more detailed information on the subject. It covers multiple custom options, a quick view on requirements/methods and the author put a lot of effort into making it simple to use. Find it at the file section of WttL modlist!

- Also take a loot at FlaconOil Texture Resolution Understanding before picking the mod's available options.
- A great fast tutorial for the tool in question can be found here: Packing mods into BA2 with Archive2.
- For a quick and more complex tool for sure you will love Cathedral Assets Optimizer.
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--- BASE OVERHAUL ---
- 4estGimp - SavrenX HD Textures Performance BA2 Set 
- 4estGimp - HDTP - High Def Texture Packer 

--- LANDSCAPE AND ARCHITECTURE ---
- Natural Landscapes + Invisible Dirt Fix - Main and Optional Vanilla Riverbed Silt Textures file.
- Enhanced Vanilla Rocks + Northern Foothills Rocks Fix 
- Enhanced Vanilla Plants 
- Enhanced Vanilla Vines 
- Grime Ash Moss Enhanced 
- Redder Rocket 
- The Natural Bundle - I suggest Bunker and Submarine Set.
- Very Zen Dark Caves 
- Vivid Fallout - Thicket Excavations Quarry 
- Gritty Subway Stations 
- Shades of Gradient - An Institute Retexture - Remove Textures/SetDressing/LoungeChair and HighTech folders.
- Galvanized a Chain Link Fence Love Story 
- Road Signs Illuminated 
- Lily Pads and Pond Scum Remover - Main and Optional lore friendly setups.
- Wasteland Nights 
- MOON - Beautiful High Res Textures 

---MISCELLANEOUS WORLD---
- Ojo Bueno Texture Pack 
- Vertibird US Army Retexture 4k And Pre-War Fix 
- Spiffy's Workshop - I suggest Simple Yellow Forklifts only.
- BETHESDA FIX THE DARN TV CONTINUITY 
- Computer Console illuminated + Part2 
- Animated Robco Logo for Terminals 
- Office Paper Debris Retexture 
- Railroad HQ Papers Retexture 
- Delightful Frames 
- Grumpycat Painting 
- Immersive Realistic Prewar Wetpaint Sign Texture Overhaul 
- Retextured First Aid Kits 
- Radio Model Replacer - No ESP version.
- Steamer Trunk Retextured 
- Duffle Bag Retexture 
- Rusty Fridge Retexture 
- Power Generator ReTexture 
- CC's FUHD Power Armor Stations 
- Less shitty industrial wall lights 
- LC's UHD Skeletons + Wardrobe 
- Imposing Gunner Skulls 
- Subway Transit Sign 
- Slightly Improved Mirrors 

--- ITEMS ---
- Retextured Chems V1 
- XNFRain's Stealth Boy Retexture 
- Bottles Label Overhaul 
- Sweet Roll 5000 - Xtreme Sweetroll Mesh and Texture 
- Smores' Bobby Pin Box 
- Grey Tortoise Cigarettes Redux 
- EoW - Pre-War Books Retexture 
- Burnt Magazines and Comics Retexture 
- U.S. Covert Operations Manual Redux - Magazine Retexture 
- Total Hack - Magazine Retexture 
- Classic Wasteland Survival Guide - Magazine Retexture 
- A Clipboard Retexture 
- HD Prewar Money 
- Official Bluetape 
- Teddy Bear HD 
- Soap Retex 
- Retextured Fertilizer Bag 
- Oppressor's Tea Kettle 
- Oppressor's Baseball Glove 
- LC's UHD Brahmin Skull 
- Crimsomrider's Fallout 4 Chess 
- Vintage Pocket Watch 
- Globes 2K 
- Fabulous Fire Extinguisher 

--- CREATURES ---
- Crows and Creatures - Main and Optional Ants_AntSwarms. I suggest to pick Crows and Seagulls.
- Wasteland Creatures Redone - I suggest Mirelurk Hunter, King and Queen. Then Molerats, Mongrels and Yao Guai.
- Ugly Roaches 
- LC's UHD Bloatfly + LC's UHD Bloatfly Meat 
- LC's UHD Stingwing 
- LC's UHD Brahmin 
- CC's UHD Radscorpions 
- LC's UHD Deathclaw + LC's UHD Deathclaw Egg 
- LC's UHD Mutant Hound 
- LC's UHD Gatorclaw 
- Detailed Feral Ghouls 
- Fixed Protectron Textures 
- Protectron HD 
- Assaultron HD 
- Delightful Dead Fish HD 
- Dripping Cocks 
- Sable Dogmeat 
- No Smoldering Turrets 
- Takahashi Hat Replace JapaneseNoodleShopStyle 

--- WEAPONS ---
- The Radical Ripper 
- Dark Deathclaw Gauntlet 
- HQ Sledgehammer 
- Grognak's Axe 
- The Fantastic Forty Four 
- The Delightful Deliverer 
- Double Barrel HD 
- The Ballistic Series 
- The Hunting Rifle Set 
- The Meritable Minigun 
- Cryolator HD 
- The Plasma Project 
- Gauss Rifle HD 
- The Flamer Project 
- The Fancy Fatman 
- Leafblower Junkjet 
- Broadsider HD 
- Missile Launcher HD 
- Weapons of Boston - Flare Gun Retexture 
- Scrap Metal and Makeshift Welds - A Pipe Gun Retexture 
- Focuser Arrays and Worn Plastics - A Full Laser Weapons Retexture 

--- ARMORS ---
- Enhanced Vanilla Armor and Clothing - EVAC 
- Far Harbor Marine Armor Boots Fix 
- Marine Combat Armor Material Fix 
- Marine Wet Suit Material Fix 
- HD Raider Armor 
- Power Armor Frame 
- Power Armor Jetpack HD 
- Raider Power Armor Retexture 
- FlaconOil's Courser HD ReTexture 
- Iconic Synth Uniform 
- Pipboy UHD 

--- MISC FIXES ---
- Black Codsworth and Windows Fix 
- Wetness Shader Fix 
- Fixed Gobo Effects 
- Fixed Alpha Maps