Find the following line (line 59) in simple_slash.asp or inc_simple_slash.asp (choose the one you're using):
Response.Write "<tr><td bgcolor=""" & strForumCellColor & """ colspan=""3""> <a href='forum/topic.asp?TOPIC_ID=" & objRS("TOPIC_ID") & "'><font face=""" & strDefaultFontFace & """ size=""" & strFooterFontSize & """>More >></a> Replies(" & objRS2(0) & ")</font></td></tr>"
and add the blue code.