Pixiv
Pixiv is a Japanese online community for artists, not unlike the Western world's Deviant ART. Launched in September 2007. Pixiv aims to provide a place for artists to exhibit their illustrations and get feedback via a rating system and user comments. Works are organized in an extensive tag structure which forms the backbone of the website. Registration required to view the majority of contents.
In case that doesn't sound like anything special to you, consider that the majority of Anime and Manga in the 'boorus and the 'chans are taken from Pixiv, most of the time without permission from the artists.
If you're using Firefox with the Greasemonkey extension, the Pixiv Translation Plus script may be helpful.
Compare Nico Nico Douga (Japanese YouTube).
Oh and by the way, if you find relevant pictures, consider visiting the Image Links Wiki.
All links below should be assumed NSFW, just to be safe.
Random works tags, with characters where available:
- A Certain Magical Index: [[http://www.pixiv.net/tags.php?tag=
- AIR: Here.
- Angel Beats: Here.
- Aria: Here.
- Arcana Heart: [[http://www.pixiv.net/tags.php?tag=
- Armored Core: [[http://www.pixiv.net/tags.php?tag=
- Axis Powers Hetalia: [[http://www.pixiv.net/tags.php?tag=
- Azumanga Daioh: [[http://www.pixiv.net/tags.php?tag=
- Bakuman。: [[http://www.pixiv.net/search.php?s_mode=s_tag&word=
- Black Rock Shooter: [[http://www.pixiv.net/tags.php?tag=
- Blaz Blue: [[http://www.pixiv.net/tags.php?tag=
- Bleach: Here.
- Blue Exorcist: [[http://www.pixiv.net/tags.php?tag=
- Breath of Fire: [[http://www.pixiv.net/tags.php?tag=
- 2 is here and [[http://www.pixiv.net/tags.php?tag=
- 3 is here. and [[http://www.pixiv.net/tags.php?tag=
- 4 is here and [[http://www.pixiv.net/tags.php?tag=
- 5 is [[http://www.pixiv.net/tags.php?tag=
- Cardcaptor Sakura: [[http://www.pixiv.net/tags.php?tag=
- Cave Story: [[http://www.pixiv.net/tags.php?tag=
- Chrono Trigger: [[http://www.pixiv.net/tags.php?tag=
- Code Geass: [[http://www.pixiv.net/tags.php?tag=
- Danball Senki: [[http://www.pixiv.net/tags.php?tag=
- Dennou Coil: [[http://www.pixiv.net/tags.php?tag=
- Digimon: [[http://www.pixiv.net/tags.php?tag=
- Disgaea: [[http://www.pixiv.net/tags.php?tag=
- Dissidia Final Fantasy: [[http://www.pixiv.net/tags.php?tag=
- Doraemon: [[http://www.pixiv.net/tags.php?tag=
- Dragonball: [[http://www.pixiv.net/tags.php?tag=
- Dragon Quest: [[http://www.pixiv.net/tags.php?tag=
- Durarara: [[http://www.pixiv.net/tags.php?tag=
- El Shaddai Ascension of the Metatron: [[http://www.pixiv.net/tags.php?tag=
- Fallout series: Here.
- Final Fantasy: here.
- Fire Emblem: [[http://www.pixiv.net/tags.php?tag=
- Fullmetal Alchemist: [[http://www.pixiv.net/tags.php?tag=
- Gintama: [[http://www.pixiv.net/tags.php?tag=
- God of War: [[http://www.pixiv.net/tags.php?tag=
- Guilty Gear: [[http://www.pixiv.net/tags.php?tag=
- Gundam: [[http://www.pixiv.net/search.php?s_mode=s_tag&word=
- Hamtaro: [[http://www.pixiv.net/tags.php?tag=
- Happy Tree Friends: Here. Didn't expect that, huh? Also, for whatever reason, the Anthropomorphic Personification of those... poor critters are common, about ten thousands illustrations total.
- Harry Potter: [[http://www.pixiv.net/tags.php?tag=
- Hidamari Sketch: [[http://www.pixiv.net/tags.php?tag=
- Higurashi no Naku Koro Ni: [[http://www.pixiv.net/tags.php?tag=
- Homestuck: Here and [[http://www.pixiv.net/search.php?s_mode=s_tag&word=
- How to Train Your Dragon: [[http://www.pixiv.net/tags.php?tag=
- Hunter X Hunter: [[http://www.pixiv.net/tags.php?tag=HUNTER
- The Idolmaster: [[http://www.pixiv.net/tags.php?tag=
- Inazuma Eleven: [[http://www.pixiv.net/tags.php?tag=
- Inazuma Eleven GO has a separate tag [[http://www.pixiv.net/tags.php?tag=
- Kirino Ranmaru: [[http://www.pixiv.net/tags.php?tag=
- Kariya Masaki: [[http://www.pixiv.net/tags.php?tag=
- Matsukaze Tenma: [[http://www.pixiv.net/tags.php?tag=
- And there's even yet another separate tag for "[[http://www.pixiv.net/tags.php?tag=
- Fubuki Shirou: [[http://www.pixiv.net/tags.php?tag=
- Kiyama Hiroto: [[http://www.pixiv.net/tags.php?tag=
- Kazemaru Ichirouta: [[http://www.pixiv.net/tags.php?tag=
- Endou Mamoru: [[http://www.pixiv.net/tags.php?tag=
- Sakuma Jirou: [[http://www.pixiv.net/tags.php?tag=
- Kidou Yuuto: [[http://www.pixiv.net/tags.php?tag=
- Fudou Akio: [[http://www.pixiv.net/tags.php?tag=
- Inazuma Eleven GO has a separate tag [[http://www.pixiv.net/tags.php?tag=
- Irisu Syndrome: [[http://www.pixiv.net/tags.php?tag=
- Kamen Rider: [[http://www.pixiv.net/tags.php?tag=
- Kannagi: [[http://www.pixiv.net/tags.php?tag=
- Katekyo Hitman Reborn: [[http://www.pixiv.net/tags.php?tag=
- K-On!: [[http://www.pixiv.net/tags.php?tag=
- Kirby: [[http://www.pixiv.net/tags.php?tag=
- Legend of Galactic Heroes: [[http://www.pixiv.net/tags.php?tag=
- The Legend of Zelda: [[http://www.pixiv.net/tags.php?tag=
- Little Busters: [[http://www.pixiv.net/tags.php?tag=
- Love Plus: [[http://www.pixiv.net/tags.php?tag=
- Lucky Star: [[http://www.pixiv.net/tags.php?tag=
- Mabinogi Fantasy Life: [[http://www.pixiv.net/tags.php?tag=
- Macross: [[http://www.pixiv.net/tags.php?tag=
- Magical Girl Lyrical Nanoha: [[http://www.pixiv.net/tags.php?tag=
- Magic the Gathering: here.
- Maria-sama ga Miteru: [[http://www.pixiv.net/tags.php?tag=
- Metroid: [[http://www.pixiv.net/tags.php?tag=
- Monster Hunter: [[http://www.pixiv.net/tags.php?tag=
- Nabari no Ou: [[http://www.pixiv.net/search.php?s_mode=s_tag&word=
- Neon Genesis Evangelion: [[http://www.pixiv.net/tags.php?tag=
- Nichijou: [[http://www.pixiv.net/tags.php?tag=
- Ojamajo Doremi: [[http://www.pixiv.net/tags.php?tag=
- Okami: [[http://www.pixiv.net/tags.php?tag=
- One Piece: [[http://www.pixiv.net/tags.php?tag=
- Pandora Hearts: [[http://www.pixiv.net/search.php?s_mode=s_tag&word=
- Pangya: [[http://www.pixiv.net/tags.php?tag=
- Pani Poni Dash: [[http://www.pixiv.net/tags.php?tag=
- Panty and Stocking With Garterbelt: [[http://www.pixiv.net/tags.php?tag=
- Peanuts: [[http://www.pixiv.net/tags.php?tag=
- Persona 3: [[http://www.pixiv.net/tags.php?tag=
- Persona 4: [[http://www.pixiv.net/tags.php?tag=
- Pokémon: [[http://www.pixiv.net/tags.php?tag=
- Pikachu has his own tag [[http://www.pixiv.net/tags.php?tag=
- Pop N Music: [[http://www.pixiv.net/tags.php?tag=
- The Prince of Tennis: [[http://www.pixiv.net/tags.php?tag=
- Portal/Portal 2: Here, Here.
- Pretty Cure: [[http://www.pixiv.net/tags.php?tag=
- Puella Magi Madoka Magica: [[http://www.pixiv.net/tags.php?tag=
- Queens Blade: [[http://www.pixiv.net/tags.php?tag=
- Ragnarok Online: Here.
- Rockman/Mega Man: [[http://www.pixiv.net/tags.php?tag=
- Rozen Maiden: [[http://www.pixiv.net/tags.php?tag=
- Saki: [[http://www.pixiv.net/tags.php?tag=
- Sakura Wars: [[http://www.pixiv.net/tags.php?tag=
- Sayonara Zetsubou Sensei: [[http://www.pixiv.net/tags.php?tag=
- Sailor Moon: [[http://www.pixiv.net/tags.php?tag=
- Secret of Mana: [[http://www.pixiv.net/tags.php?tag=
- Sengoku Basara: [[http://www.pixiv.net/tags.php?tag=
- Sherlock Holmes: [[http://www.pixiv.net/tags.php?tag=
- Sonic the Hedgehog: [[http://www.pixiv.net/tags.php?tag=
- South Park: [[http://www.pixiv.net/tags.php?tag=
- Strike Witches: [[http://www.pixiv.net/tags.php?tag=
- Studio Ghibli works: [[http://www.pixiv.net/tags.php?tag=
- Summer Wars: [[http://www.pixiv.net/tags.php?tag=
- Super Mario Bros: [[http://www.pixiv.net/tags.php?tag=
- Super Smash Bros: [[http://www.pixiv.net/tags.php?tag=
- Tales Series: [[http://www.pixiv.net/tags.php?tag=
- Tantei Opera Milky Holmes: [[http://www.pixiv.net/tags.php?tag=
- Teenage Mutant Ninja Turtles: Here. Didn't expect that, huh?
- Tengen Toppa Gurren Lagann: [[http://www.pixiv.net/tags.php?tag=
- The Melancholy of Haruhi Suzumiya: [[http://www.pixiv.net/tags.php?tag=
- Tiger and Bunny: Here.
- Touhou: [[http://www.pixiv.net/tags.php?tag=
- Cirno: [[http://www.pixiv.net/tags.php?tag=
- Kirisame Marisa: [[http://www.pixiv.net/tags.php?tag=
- Hakurei Reimu: [[http://www.pixiv.net/tags.php?tag=
- Remilia Scarlet: [[http://www.pixiv.net/tags.php?tag=
- Konpaku Youmu: [[http://www.pixiv.net/tags.php?tag=
- Iyazoi Sakuya: [[http://www.pixiv.net/tags.php?tag=
- Flandre Scarlet: [[http://www.pixiv.net/tags.php?tag=
- Yakumo Yukari: [[http://www.pixiv.net/tags.php?tag=
- Yakumo Ran: [[http://www.pixiv.net/tags.php?tag=
- Shameimaru Aya: [[http://www.pixiv.net/tags.php?tag=
- Alice Margatroid: [[http://www.pixiv.net/tags.php?tag=
- Wriggle Nightbug: [[http://www.pixiv.net/tags.php?tag=
- Reisen Udongein Inaba: [[http://www.pixiv.net/tags.php?tag=
- Toward the Terra: [[http://www.pixiv.net/search.php?s_mode=s_tag&word=
- Transformers: [[http://www.pixiv.net/tags.php?tag=
- Tsukihime: [[http://www.pixiv.net/tags.php?tag=
- Unlimited Saga: [[http://www.pixiv.net/tags.php?tag=
- Usavich: [[http://www.pixiv.net/tags.php?tag=
- Vision of Escaflowne: [[http://www.pixiv.net/tags.php?tag=
- Vocaloid: Here. (Over 260,000 images.)
- Hatsune Miku: [[http://www.pixiv.net/tags.php?tag=
- Kagamine Rin: [[http://www.pixiv.net/tags.php?tag=
- Kagamine Len: [[http://www.pixiv.net/tags.php?tag=
- Mandatory Warhammer 40000 example: Here.
- Yu-Gi-Oh: [[http://www.pixiv.net/tags.php?tag=
- Yume Nikki: [[http://www.pixiv.net/tags.php?tag=
Tags dedicated to particular tropes:
- Animal Ears: [[http://www.pixiv.net/tags.php?tag=
- Cross Dresser/"Trap": [[http://www.pixiv.net/tags.php?tag=
- Cute Little Fangs: [[http://www.pixiv.net/tags.php?tag=
- Digital Avatar: The majority of users (who aren't Lurkers) have one themselves, but a phenomenon in Pixiv is creation of Digital Avatar of internet celebrities.
- Nico Nico Douga's "Utatte mita!" Channel: [[http://www.pixiv.net/tags.php?tag=
- Fantasy: [[http://www.pixiv.net/tags.php?tag=
- Furry Comic: Either "BEAST" tag ([[http://www.pixiv.net/tags.php?tag=
- On that note, the "Animal" tag ([[http://www.pixiv.net/tags.php?tag=
- Glasses Girl: [[http://www.pixiv.net/tags.php?tag=
- Gorn: Tagged with "R-18G", as opposed to "R-18" which is due to sex: Here. You've been warned.
- Halloween Cosplay: [[http://www.pixiv.net/tags.php?tag=
- High School AU: [[http://www.pixiv.net/tags.php?tag=
- Hime Cut: [[http://www.pixiv.net/tags.php?tag=
- Humongous Mecha: [[http://www.pixiv.net/tags.php?tag=
- Kawaisa: [[http://www.pixiv.net/tags.php?tag=
- Kimono: [[http://www.pixiv.net/tags.php?tag=
- Kitsune:
- Pixiv Fox Land: [[http://www.pixiv.net/tags.php?tag=
- Maid: [[http://www.pixiv.net/tags.php?tag=
- Memetic Mutation:
- Caramelldansen ("Uma Uma"): [[http://www.pixiv.net/search.php?s_mode=s_tag&word=
- Image Macros ("Image Response"): [[http://www.pixiv.net/tags.php?tag=
- Take it easy!: [[http://www.pixiv.net/tags.php?tag=
- New Year Has Come: Well, New Year Cards: [[http://www.pixiv.net/tags.php?tag=
- Original Character: [[http://www.pixiv.net/tags.php?tag=
- "Original Character, Don't Steal": Defied with the tag "It's OK if you want to draw him/her/it yourself": [[http://www.pixiv.net/tags.php?tag=
- Panty Shot: [[http://www.pixiv.net/tags.php?tag=
- Parody: [[http://www.pixiv.net/tags.php?tag=
- Rule Sixty Three: [[http://www.pixiv.net/tags.php?tag=
- Ryona, which is extreme violence done to women: [[http://www.pixiv.net/tags.php?tag=
- Sailor Fuku: [[http://www.pixiv.net/tags.php?tag=
- Scenery Porn: The tags means "I wanna go there!": [[http://www.pixiv.net/tags.php?tag=
- For the Scenery that may or may not being Porn, [[http://www.pixiv.net/tags.php?tag=
- Super Deformed: [[http://www.pixiv.net/tags.php?tag=
- Take That Scrappy: Just like Danbooru's Everybody Hates Kyubey, Pixiv has [[http://www.pixiv.net/tags.php?tag=QB
- This Is Wrong On So Many Levels: The tag means "How come it become like this": [[http://www.pixiv.net/tags.php?tag=
- Tokusatsu: [[http://www.pixiv.net/tags.php?tag=
- Tomboy ("boyish"): [[http://www.pixiv.net/tags.php?tag=
- World Building: Aside from those created by users for existing works, there are also some World Building events organized by Pixiv itself. Well, it's really an art competition of creating illustrations for a Fantasy world described by Pixiv. A steady source of Crowning Moments of Awesome.
- Pixiv Fantasia: [[http://www.pixiv.net/tags.php?tag=pixiv
- Pixiv Fantasia II: [[http://www.pixiv.net/tags.php?tag=pixiv
- Pixiv Fantasia III: [[http://www.pixiv.net/tags.php?tag=pixiv
- Pixiv Fantasia IV: [[http://www.pixiv.net/tags.php?tag=pixiv
- Pixiv Fantasia V: [[http://www.pixiv.net/tags.php?tag=pixiv
- Yaoi: [[http://www.pixiv.net/tags.php?tag=
- Yonkoma, or 4-panel comic: [[http://www.pixiv.net/tags.php?tag=4
- Yuri: [[http://www.pixiv.net/tags.php?tag=