"btw OP, the link doesn't work in your blog - there's some markup issues"

Whoops, thanks for catching that! Just fixed it, here is the link just in case: https://github.com/rnegron/WiiNewsPR/blob/11df0e242bb1f4134e...

"Does the Wii just accept any "signed" content? If so, wow, 2007 was a crazy time..."

Yup! I suppose they assumed that hard-coding the URL was enough of a safeguard!