[Quanity]

First of all go and get this plugin xD
Link: Download Page

Then activate the plugin

Ok now Lets start

Go to Your Skins Template > Post Bit Templates > postbit_warninglevel.

Edit the UID to ur uid no - like goto your profile and see the link ull get the uid - member.php?action=profile&uid=2

There replace all with
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PHP Code:

<br />{$lang->postbit_warning_level} <a href="{$warning_link}"><if $post['uid'] == UIDHERE then><i style="color: #c00;font-style: normal;font-size: 13px;">Text of custom warning level</i><else>{$warning_level}</if></span></a> 


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Done  

Result -