This is how to create a server, And a bukkit one :P
Simply Goto http://www.minecraft.net/download At the bottum You'll see Minecraft_Server.exe (802 KB) Click on that then Make a minecraft-server Folder, Just make a folder and after the world and the ops.txt file etc loads put all that in there Then portforward it Just goto ur router Irl there you should see a Password and user But before that Goto ur start and type Cmd after that click on it And after cmd opens up type "ipconfig" After that Go down to find ur Default gateway IP: Copy that into ur browser, Put the user & password in there, (The user Is alot of times admin)
After that Find portfowarding at the left side And put the default gateway in the IP slots, then click Go or something and bam it portfowards Open up ur minecraft Put ur IP in there Just goto http://whatismyip.org/
And that's the IP to ur server, To make ur Server Bukkit Simply goto http://wiki.bukkit.org/Setting_up_a_server Then click on One of the downloads Like what ur comp runs on For example Windows, Get that one It has one aso for

Linux

Aso

Mac OS X

It has Directions how to install them, But most People use

Windows

So, Yeah, Just install one of them and Follow there directions What to do. What i Easily do is Drag the jar file into my Minecraft_Server_Folder. Anyway that's how to make ur server bukkit, Good luck And Have fun with ur Own server :D