4chan

4chan is the closest thing you can get to the asshole of the universe, in a good way. Almost anything can be posted and you can find damn near what you want under any of these tabs, but most contain porn of some form.

Japanese Culture

   * Anime & Manga
   * Anime/Cute
   * Anime/Wallpapers
   * Mecha
   * Cosplay & EGL
   * Cute/Male
   * Flash
   * Transportation
   * Japan/General

Interests

   * Video Games
   * Comics & Cartoons
   * Technology
   * Television & Film
   * Weapons
   * Auto
   * Animals & Nature
   * Traditional Games
   * Sports

Creative

   * Oekaki
   * Papercraft & Origami
   * Photography
   * Food & Cooking
   * Artwork/Critique
   * Wallpapers/General
   * Music
   * Fashion
   * Toys

Adult (18+)

   * Sexy Beautiful Women
   * Hardcore
   * Hentai
   * Ecchi
   * Yuri
   * Hentai/Alternative
   * Yaoi
   * Torrents
   * Rapidshares

Other

   * Travel
   * Health & Fitness
   * Paranormal

Misc. (18+)

   * Random
   * Animated GIF
   * Request
   * High Resolution
   * ROBOT9000