Replace this line:
Code:
<vb:if condition="$memberinfo['musername']">{vb:raw memberinfo.musername}<vb:else />{vb:raw memberinfo.username}</vb:if></strong></a>
With this line:
Code:
<vb:if condition="$memberinfo['musername'] OR $memberinfo['field7']"><vb:if condition="$memberinfo['field7']">{vb:raw memberinfo.field5}<vb:else />{vb:raw memberinfo.musername}</vb:if><vb:else />{vb:raw memberinfo.username}</vb:if></strong></a>
Do similar with titles/alts in that template.