Hai its pretty simple, so that i put a comic on top to explain it, here is just in more detail hehehe:

Register you User Account

  1. First thing is to register your account, just go to register (also on the sidebar you will see there is a register link.
  2. Choose a username, put your e-mail and password and then click the checkbox that you “Accept the Rules & Disclaimer”.
  3. Congrats you are registered ^^

Post Images, Links, Whatnot (Anime, Hentai, Japan Related)

Now go to 4kun.com main page and if you are not logged in, just put your username and password on the sidebar, when you are logged in, you will see a post box like so…

  1. Choose the type of post
  2. Upload Picture
  3. Write Whatever You Want…
  4. Put some tags (separate with commas)
  5. Press “Post It”

Success ^_^ YAY!

GTFO=GET THE FUCK OUT!!!

Hai haiii joking, you can post as much as you want, if you need more help or pointers, you can check here on the faq+help or post a reply there and ill get back to ya ^^