How to use different Post Icons?

[Mikachu Yukitatsu]

I want to know how you people use the Post Icons that aren't displayed in the list. I mean other than just these ones:

http://i191.photobucket.com/albums/z83/Mikayuta/posticons_zpsf4inquwi.png

[Lady Vulpix]

We have a bigger list.

http://s33.postimg.org/ypvnykn2n/icons.png

Now I wonder why it's not the same for everyone.

[Jeff]

Maybe mods and admins get extra icons?

[Lady Vulpix]

Maybe mods and admins get extra icons?
Maybe, but I don't see the point in that.

[Mikachu Yukitatsu]

Awesome! Now at least I can use all those icons :)