Can someone teach me how to add custom mob in my server?

[DLSUD04]

Please teach me how to add custom mobs in my server? I want to add this http://herc.ws/board/topic/7065-king-poring-recolor-first-time-recoloring/ but I don't know how, step by step please newbie here peace.. Thanks!!

King Poring mob please teach me how to add this on my server.

 

[Angelmelody]

http://herc.ws/wiki/Custom_Mobs