Here is a long list of graphical mods:
FXAA Injector and Settings
FXAA Injector
http://www.skyrimnexus.com/downloads/file.php?id=131
- Allows you to adjust various shaders and the such to adjust the imagine to your liking.
Himmelsrand Custom Shader Suite
http://www.skyrimnexus.com/downloads/file.php?id=240
- Adjusts the colors in Skyrim for more contrast and saturation to remove the washed out look. You will need FXAA Injector installed.
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Character Graphics Mods
No More Blocky Faces
http://skyrimnexus.com/downloads/file.php?id=30
-This mod removes those annoying compression artifacts that makes noses and the such look blocky on characters. Definitely install this. Make sure you install this BEFORE you install Detailed Faces.
Detailed Faces
http://skyrimnexus.com/downloads/file.php?id=26
- This mod significantly increases the texture resolution on the faces. Definitely get this.
High Quality Eyes
http://www.skyrimnexus.com/downloads/file.php?id=498
- This mod increases the texture resolution of the eyes, making them look better.
Detailed Lips
http://www.skyrimnexus.com/downloads/file.php?id=689
- Increases the details on characters' lips.
Better Bodies
http://skyrimnexus.com/downloads/file.php?id=256
- This mod significantly improves the skin resolution on the bodies of characters.
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Shields, Armors, Clothes Retextures
A higher quality of shields - New textures
http://skyrimnexus.com/downloads/file.php?id=225
- This mod significantly upgrades the texture quality of some of the shields in the game.
Armor Improvement
http://skyrimnexus.com/downloads/file.php?id=106
- This mod upgrades some of the armors in the game. Get this.
Clothes Improvement
http://skyrimnexus.com/downloads/file.php?id=113
- This mod upgrades some of the clothes in the game. Download this as well.
Ebony Tweaks
http://skyrimnexus.com/downloads/file.php?id=524
- This mod makes the Ebony Armor look better. Definitely get this.
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City Retextures
HD Furniture
http://skyrimnexus.com/downloads/file.php?id=238
- Improves the look of furniture of "Breezehome" in Whiterun.
Skyrim 2k
http://skyrimnexus.com/downloads/file.php?id=607
- A project to upgrade the textures in Skyrim. Haven't tried it out yet, but it looks like a project to watch.
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Landscape Retextures/Atmospheric Effects
Better Landscape Textures
http://skyrimnexus.com/downloads/file.php?id=679
- I haven't tried this one out yet, but I like where it's going. The only thing I don't like is the snow so far. You can see a tiling effect with it. This is definitely one to keep a look-out on.
Snow HQ
http://skyrimnexus.com/downloads/file.php?id=743
- This snow looks a nice deal better than the snow in the pack above, so if you install the above file, make sure you install this AFTERWARDS so that this is the snow texture used.
Enhanced Night Skyrim
http://www.skyrimnexus.com/downloads/file.php?id=85
- Improves the stars with a much higher resolution texture.
Realistic Smoke and Embers
http://www.skyrimnexus.com/downloads/file.php?id=836
- Improves the smoke and ember effects in the game.
Better Water
http://skyrimnexus.com/downloads/file.php?id=711
- I've yet to try this one, but the water looks amazing from the videos:
http://www.youtube.com/watch?v=fOmQd...eo&playnext=11
http://www.youtube.com/watch?v=I-Tb9...eo&playnext=10
Vurt's Skyrim Flora Overhal
http://skyrimnexus.com/downloads/file.php?id=141
- Use this to significantly improve the resolution of some of the trees in the game. This is definitely one to look out for. Vurt's work on the flora of Morrowind was significant. Here is an example of his Morrowind work:
http://www.youtube.com/watch?v=eQC9ZiQlA-I. Keep in mind Morrowind was released in 2002. Here is a stock Morrowind for comparison:
http://www.youtube.com/watch?v=peY7s2fN18Y&feature=related.
Nicer Snowflakes
http://skyrimnexus.com/downloads/file.php?id=296
- This is one to watch for. It looks a bit unrealistic at the moment with the snowflakes being too defined, but I'm sure as the mod progresses, it will be much better.
Enhanced Galaxies
http://skyrimnexus.com/downloads/file.php?id=565
- Improves the look of the galaxy cluster in the game.
The Dragon Moons
http://skyrimnexus.com/downloads/file.php?id=367
- Improves the resolution of the moons in the game.
Trees LOD with Shadows
http://skyrimnexus.com/downloads/file.php?id=194
- Enables shadowing on trees in the distance.
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Misc.
Better Blood Splatters
http://skyrimnexus.com/downloads/file.php?id=727
- Improves the look of blood in the game.
Delicious Skyrim
http://skyrimnexus.com/downloads/file.php?id=315
- A mod that attempts to update the texture on the food items in the game.
High Quality Food and Ingredients
http://skyrimnexus.com/downloads/file.php?id=280
- Another retexture of the food and other items in the game. Right now, this seems to be the better one, although they are not texturing the same items at the moment.
Improved Torches
http://skyrimnexus.com/downloads/file.php?id=534
- Removes the compression artifacts from torches.
Ruins Door Remap
http://skyrimnexus.com/downloads/file.php?id=408
- Slightly improves the look of doors in ruins.
Skyrim Sunglare
http://skyrimnexus.com/downloads/file.php?id=116
- Improves the sun glare in the game a nice bit.
Readable Roadsigns
http://skyrimnexus.com/downloads/file.php?id=387
- Makes the road signs more readable.