I have two:
The simple:
<A target="_blank" HREF=http://www.amdragon.com/cgi-bin/wwwthreads/showthreaded.pl?Cat=&Board=hack&Number=1480&page=2&view=collapsed&sb=5>Talkback(ReplyOnly)</A>
and the expanded:
<A target="_blank" HREF=http://www.amdragon.com/cgi-bin/wwwthreads/showthreaded.pl?Cat=&Board=hack&Number=1496&page=1&view=collapsed&sb=5>PostOnly-ReplyOnly</A>
I have them working on 5.4 but the instructions haven't been updated from 5.0.9 yet.