this code and replace it is in any way you want, you can change the color of their own
Code:
<li>{vb:rawphrase welcome_x_link_y, {vb:raw bbuserinfo.username}, {vb:link member, {vb:raw bbuserinfo}}}(<a href="search.php?{vb:raw session.sessionurl}do=finduser&userid={vb:raw bbuserinfo.userid}&contenttype=vBForum_Post&showposts=1"><font color="red">{vb:raw bbuserinfo.posts} posts</font></a>)</li>
red, can be changed