[ozzy47]

In your postbit or postbit_legacy template find:

                {vb:raw post.usertitle}

And change it to this.

                <vb:if condition="is_member_of($post, X)">
                    <span style="text-decoration: line-through;">{vb:raw post.usertitle}</span></vb:if>
                <vb:else />
                    {vb:raw post.usertitle}
                </vb:if>

Where X is your banned usergroup id number.