ok here it goes:
Go to:
{
> admincp
> Styles & Templates
> Style Manager
> MASTER STYLE or pick that style you want the field to show up on..
> edit Templates
find:
> Postbit Templates
Enter:
> postbit_legacy
Find:
>
Code:
$vbphrase[age]: $post[age]
under it add:
>
Code:
$vbphrase[fielduser field ID]: $post[fielduser field ID]
replace the red with the user field ID
oo ya add if you want to show it when the user have something in the field just use this code..
Code:
<if condition="$post['fielduser field ID']"><div>$vbphrase[fielduser field ID]: $post[fielduser field ID]</div></if>
done...