How to create a notice like this site

[hoangduykt7990]

How to create a notice like this site;
( in the pink area )

Somebody knows that ?? ^^

 

[Vincent_imported]

It's this add-on:
http://xenforo.com/community/threads/xfr-boardnotices-advanced-notice-system.15564/

Note that in XenForo 1.1 there will be a Notice System by Mike'n Kier themselves, so this add-on will soon be superfluous