Art Master List
Even though I have tags like wow, I am constructing a Master List as so many other folks have. 

Wow, this is a long long long list. When appropriate, I have clustered by pairing rather than listing by date.


Anything PG-13 or higher is likely to be NOT WORK SAFE.

HARRY POTTER: GEN -- SLASH -- HET -- THREESOME/MORESOME/ALONE

MEMES/RANDOM -- OTHER FANDOMS

Other Lists:
Lusty Month of May 2008 List from pervy_werewolf.  All Remus, all the time, in various pairings/trios/foursomes rated PG-13 to NC-17. (Mostly NC-17)  Please mind the warnings on the page, some of them are quite graphic, and almost all of them are NWS.

Highlights:
A Lesson in Haruspicy, NC-17, Remus/Bellatrix (bondage, bloodplay)
Incense Dreams, NC-17, Remus/Hanuman (kama sutra, dream sex, semi-bestiality)
In Extremis, NC-17, Remus/Death Eater of Your Choice (fisting)
Sharing, NC-17, Remus/Severus/Lily (double penetration (female), threesome)

Harry Potter Tarot Master Table with links to all completed cards. Rated mostly G or PG. All portrayals based on book canon (except the Founders, who are based on actual historical research).

Highlights:
The Lovers, G, Ron and Hermione
Ace of Pentacles, G, Helga Hufflepuff
The Hanged Man, R, Regulus Black
Death, G, Luna Lovegood

Gen:

In the Kitchen, G: Hermione Granger, Narcissa Malfoy (Hermione Big Bang)
Flowers, G: Luna Lovegood
Imprisoned, PG-13: Luna Lovegood
A Familiar Ingredient, G: Severus Snape
The Bribe, G: Remus Lupin, Harry Potter, Ron Weasley, Hermione Granger, for hp_art_project.
The Spill, G: Lily Luna Potter, Scorpius Malfoy
Just What is the Meaning of This?, G: Severus Snape
Fred! George! This isn't funny!, PG: Ron Weasley, implied Fred or George.
Off to Hogsmeade Station, G: Harry Potter, Pansy Parkinson
Narcissa Malfoy, G: Narcissa Malfoy in the style of Alphonse Mucha.
Mad-Eye Moody, PG: Mad-Eye, Trio, ferret!Draco, for hp_art_project.
Kore's Apple, G: Luna Lovegood and Albus Severus Potter
Slytherin Girls, PG: Pansy Parkinson and Millicent Bulstrode
Happy Birthday, Laurel! G, Fred and George Weasley, Severus James and Laurel Eileen Potter-Snape, for lilyseyes' Breathe universe
Dueling Lesson, 1978, PG: various including Snape, Marauders, Lily
The Protector, G: Severus Snape, Luna Lovegood
The Mirror, PG: Luna Lovegood
A Fine Addition to My Collection, R: Bellatrix LeStrange, Harry Potter (violence, animal cruelty)
Harry & Sophie, G: Harry Potter, OC
Tasty Werewolf Brains, G: Hermione Granger, Remus Lupin, Severus Snape
Waiting for Ginny, G: Luna Lovegood
Luna Do-Right to the Rescue! G: Luna Lovegood, Harry Potter, Bellatrix LeStrange, and a Thestral
Luna at the Wedding, G: Luna Lovegood (I think this is the second or third thing I ever did in Photoshop)

Slash:

Sanctuary, PG-13: Harry Potter/Severus Snape (Snarry Games 2009)
After Azkaban, NC-17: Remus Lupin/Severus Snape
September, G: Severus Snape/Remus Lupin {lupin_snape 2009 Desktop Calendar project}
A Night Out, Delayed, G: Severus Snape/Sirius Black
The Gift, R: Madam Rosmerta/Millicent Bulstrode
Morning Tea, PG: Severus Snape/Remus Lupin
The Affair, NC-17: Severus Snape/Harry Potter (infidelity, portrait!sex)
Birthday Kiss, PG: Severus Snape/Remus Lupin
Rock Collection, PG-13: Harry Potter/Severus Snape
Candles, NC-17: Harry Potter/Severus Snape (wax play)
The Red Chaise, PG-13: Severus Snape/Remus Lupin
The Burning Love Triptych, NC-17: Harry Potter/Severus Snape (Character Death)
Wedding Portrait, G: Severus Snape/Remus Lupin [commission]
Anniversary, PG: Severus Snape/Remus Lupin
Simple Comfort, PG-13: Sirius Black/Remus Lupin
Not So Strait-Laced Anymore, NC-17: Remus Lupin/Percy Weasley (rimming, semi-public sex)
Renewing His Mark, PG-13: Severus Snape/Harry Potter
Good Morning, PG: Percy Weasley/Harry Potter
Love Triptych, G: Elphias Doge/Irma Pince; Hermione Granger/Millicent Bulstrode; Rubeus Hagrid/Olympe Maxime
Consequences of Hexing a Woman with a Vindictive Fiance, NC-17: Lucius Malfoy/Sirius Black (bondage, implied non-con)
In the Shack, PG-13: Severus Snape/Remus Lupin
You'll pay for this later, Lupin, G: Severus Snape/Remus Lupin
Not Thinking, NC-17: Severus Snape/Remus Lupin
A Moment on the Sofa, NC-17: Severus Snape/Remus Lupin
Story Time, G: Severus Snape/Remus Lupin, Teddy Lupin, OC
Peeping Snape, PG-13 (NWS): Remus Lupin/Severus Snape
The Cleaning Roster, NC-17: Remus Lupin/Severus Snape (D/s)
Cruisin', G: Remus Lupin/Severus Snape (non-magical AU)
Glitter Kiss, PG-13: Remus Lupin/Severus Snape (cross-dressing)
Happy Birthday, Severus, NC-17: Remus Lupin/Severus Snape (bondage)
Caught!, PG: Remus Lupin/Severus Snape
Watching the Dancefloor, PG-13 (NWS): Remus Lupin/Severus Snape (cross-dressing, D/s)
Green Stockings, NC-17: Remus Lupin/Severus Snape (cross-dressing)
Halloween, PG-13 (NWS): Remus Lupin/Severus Snape

Het:

Snapshot for Alice, 2018, G: Luna Lovegood/Draco Malfoy
Confrontation, PG-13: Draco Malfoy/Hermione Granger (Hermione Big Bang)
Multiple Exposure, R: Hermione Granger/Severus Snape
With My Body, I Thee Worship, R: Bill Weasley/Fleur Delacour Weasley (pregnancy)
Samhain, R: Gray Lady/Bloody Baron
Observation, NC-17: Severus Snape/Lily Evans, Remus Lupin (voyeurism)
Can You Hear Me, Lysander?, PG: Draco Malfoy/Luna Lovegood, Danae Malfoy
British Home Therapy, PG: Harry Potter/Luna Lovegood
The Reunion, PG-13: Nymphadora Tonks/Percy Weasley
Christmas in England, G: Draco Malfoy/Luna Lovegood, Danae Malfoy
Never Hers, PG: Luna Lovegood, Ron Weasley/Lavender Brown
Rose Seizes the Night, NC-17: Rose Weasley/Scorpius Malfoy
Dungeon Games, R: Severus Snape/Luna Lovegood (edgeplay, implied violence)
Red is a Good Color on You, Potter, PG-13: Pansy Parkinson/Harry Potter
No Wall Remains, PG-13: Severus Snape/Luna Lovegood (comic)
Before Dawn, PG: Harry Potter/Hermione Granger
Seduction, R: Severus Snape/Luna Lovegood
Painted Magic, PG-13: Draco Malfoy/Luna Lovegood
The Masque, G: Luna Lovegood/Draco Malfoy
Triptych: Malfoy Manor, R: Draco Malfoy/Luna Lovegood
Love Triptych, G: Elphias Doge/Irma Pince; Hermione Granger/Millicent Bulstrode; Rubeus Hagrid/Olympe Maxime
The Namesake, G: George Weasley/Luna Lovegood, OCs
Percy Weasley, King of Magepunk, PG: Percy Weasley/Luna Lovegood, various others
We Love the Weekend, NC-17: Draco Malfoy/Padma Patil (bondage)
In the Garden, G: Luna Lovegood/Neville Longbottom
Walking in Grimmauld Square, G: Harry Potter/Luna Lovegood

Optimism, G: Harry Potter/Ginny Weasley (for snegurochka_lee's Least Favourite Pairing Challenge


Threesome/Moresome/Alone:

Recovery, PG: Hermione Granger/Lucius Malfoy/Severus Snape (Hermione Big Bang)
Adoration, PG-13: Lily Evans/Severus Snape/Remus Lupin
Luna is a Harsh Mistress, NC-17: Luna Lovegood/Draco Malfoy/Neville Longbottom (D/s, bondage)
By His Words a Gryffindor, NC-17: Harry Potter/Draco Malfoy/Severus Snape
The Internship, R: Severus Snape/Hermione Granger/Lucius Malfoy
Use Not Recommended by Manufacturer, NC-17: Ron Weasley (object insertion)
When the Keeper's Away, NC-17: Luna Lovegood
Unexpected, R: Luna Lovegood/Neville Longbottom/Ginny Weasley
Happy Birthday, Remus, NC-17: Severus Snape/Bill Weasley/Remus Lupin (cross-dressing)

Memes/Random:
uppun's Harry Potter Art Meme, PG-13, various various crack

Other Fandoms:

Star Trek Love #1, G: Spock/Nyota Uhura (Star Trek XI)
We Have Wine, G: Merlin, Gwen, Morgana, Arthur (BBC's Merlin)
Queen's Champion, G: Morgana/Gwen (BBC's Merlin)
Destiny, G: Arthur/Merlin (BBC's Merlin)
Knight and Sorcerer, G: Arthur/Merlin (BBC's Merlin)
Game Player, General, Musician, Courtier, G: Francis Crawford of Lymond {The Lymond Chronicles, by Dorothy Dunnett}
Clockwork Engineer, G: Sofia Aguilar y de la Vega and her sidekick, Arnold {Original Character}
"A Dangerous Partnership" & "Tickling", G & PG-13: Lucius, Lord of Fort Hold/Erika, Rider of Gold Zazerkath {Dragonriders of Pern/Dragonsfire MOO}