ftp://ftp.uk.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/INDEX lists the package youtube_dl-2009.04.06_1, however ftp://ftp.uk.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/All/youtube_dl-2009.04.06_1.tbz does not exist.