Open : PostBit > postbit_ip_hidden
Make the whole template
Code:
IP: <a href="postings.php?s=$session[sessionhash]&action=getip&postid=$post[postid]">Logged</a>
to
Code:
<a href="postings.php?s=$session[sessionhash]&action=getip&postid=$post[postid]">IP</a>
that will take out the logged

and make the IP the link
change the template how you want it

you can even get a picture in by changing the IP text with an imagetag
If you dont want any ip symbol in your postbit take out
from the posbit template
and then check the whos online or go to the user in cp to veiw ip