[Ntfu2]

Yes, Create the custom profile fields in your adminCP area

Each field is assigned a number like 'filed5' remember that number

next open your postbit (or if your avatar is on the left, postbit_legacy) template and do a quick search for posts.

If you want them to appear below the post a code like

<div class="smallfont">HalfLife Name: $post[field5]</div>

If you want to do a image ie, when you rollover it displays the name.

<div class="smallfont"><img src="http://location.com/of/image.jpg" alt="$post[field5]" /> $post[field5]</div>

Thats a pretty crude how to do it, but it should get you started thinking