Maybe its because of the other reptile site for it's address? Ya know like how the "queensnake thing" won't work for links here either. My guess. M.I.
EDIT: maybe not though because you can use the link you posted
Mark's GONE SNAKEE! working with select Colubrids (Corns, GB Kings, EIs) and Woma Pythons
All stock parasite free and established on F/T prey. No PMs please email at firstname.lastname@example.org