Bukkit

Here is a sample of the config:

//This determines weather you use a custom rank name (like "trusted" or "Donator") or you use the preset
//rankcraft ID's. Using the ID's might be more reliable for players.
use_custom_name: false

//If this is set to "true", when a player uses /kill it will be broadcasted.
broadcast_on_kill: true
//General donator rank info - This is for the /buy <rank> command, give a sentence or 2 about the rank.
gdri1:
gdri2:
gdri3:
gdri4:
gdri5:
gdri6:
gdri7:
gdri8:
gdri9:
gdri10:
gdri11:
gdri12:
gdri13:
gdri14:
gdri15:
//These are the links to buy the donator ranks shown in /buy. Please use a compressed link or it WILL NOT WORK!
rank1l:
rank2l:
rank3l:
rank4l:
rank5l:
rank6l:
rank7l:
rank8l:
rank9l:
rank10l:
rank11l:
rank12l:
rank13l:
rank14l:
rank15l:

//Below are donator ranks. Type "e" to enable or "d" to disable (Without the quotes). Type the name of the rank in the next section.
//Donator-rank enable/disable:
drank1: d
drank2: d
drank3: d
drank4: d
drank5: d
drank6: d
drank7: d
drank8: d
drank9: d
drank10: d
drank11: d
drank12: d
drank13: d
drank14: d
drank15: d

//Donator rank names:
drank1n:
drank2n:
drank3n:
drank4n:
drank5n:
drank6n:
drank7n:
drank8n:
drank9n:
drank10n:
drank11n:
drank12n:
drank13n:
drank14n:
drank15n:
//Donator rank prices:
drank1p:
drank2p:
drank3p:
drank4p:
drank5p:
drank6p:
drank7p:
drank8p:
drank9p:
drank10p:
drank11p:
drank12p:
drank13p:
drank14p:
drank15p:
//This determines the currency, currently only 2 are supported: "d" for dollars, "p" for pounds.
currency: p

//Below are non-donator ranks. Type "e" for enabled or "d" for disabled (Without the quotes). Type the name of the rank in the next section.
//Non-donator-rank enable/disable:
rank1: d
rank2: d
rank3: d
rank4: d
rank5: d
rank6: d
rank7: d
rank8: d
rank9: d
rank10: d
rank11: d
rank12: d
rank13: d
rank14: d
rank15: d
//Non-donator-rank names:
rank1n:
rank2n:
rank3n:
rank4n:
rank5n:
rank6n:
rank7n:
rank8n:
rank9n:
rank10n:
rank11n:
rank12n:
rank13n:
rank14n:
rank15n:

//This determines wheather the checklist has been complete or not. If something is broken, set it to "nc" and run it through in game. Do not set it to "c" before you actually complete the checklist ingame, /checklist complete automatically does this.
checklist: nc

Follow all the side notes and you should be fine!
If you have trouble configuring, please post a comment!