incase you still want to use iOP iOP_V2.1 http://forums.bukkit.org/threads/chat-admin-iop-v2-1-customize-your-chat-1060.35306/
Tell me about it. I only run one for my friends kids but they can drive me nuts keeping the thing running right
From the screenshot, one of the things I see is that the MAC OS is changing the location of buttons for Min/Max/Close. On Linux and WIndows those 3 buttons are on the right side of the bar. I'll try and help you as best I can, but you must understand it may take a while......