sorry, something wrong with my recent sign message- can't verify.
I think this is ok:
-----BEGIN BITCOIN SIGNED MESSAGE-----
Hello, I am zazarb of bitcointalk.org,
Tuesday 1 Sep 2015
-----BEGIN SIGNATURE-----
13onqzPnGzazarbReooW4sBkqEgKPoMwZV
HJCKMjUh7VPSdIgoBSfsiNhId9WoBSkGsnQ8T9RR4WNmKbxvcPXyncEuOBgcRcUY/RSJrLdwYv2ggUO9fLQcCmo=
-----END BITCOIN SIGNED MESSAGE-----