Looking for VF character portraits hi-res in PNG (Transparent background)

Hi all. I was wondering if anyone knows where I can get high res images of the portraits of the VF cast. An example here: http://images2.wikia.nocookie.net/_...r/images/a/a5/Akira_Yuki_Headshot_Cropped.png but I would need something that's high res as I'd like to use these images for arcade stick artwork so anyone have those? Thanks.