Add items to forum statistics?

[MesterPerfect]

Hey guys,
i have question, can you help ME?
I want to add some items to the forum statistics piece
By default the Forum Statistics piece contains the following items

• Threads:
• Messages:
• Members:
• Latest member:

And I want the following items to be

• Disk usage:
• Attachments total:
• Attachments downloads:
• Threads last 24 hours:
• Messages last 24 hours:

Thanks