If you open page source for http://forums.freebsd.org/showthread.php?t=5092 (Ctrl+U in Firefox) and search for "vMXgwZQ", you'll find a <img> with link to omploader.org, which resolves to 0.0.0.0 ATM (may be it was 127.0.0.1 back then). In other words, you have nothing to worry about :)