Are the images on that website in the correct format for direct upload?

No, not yet. Due to two images being needed to do this, the site dosen't have the ability to generate the custom file needed, yet... I have the linux code needed to do this, I just need to create a nice and easy way of selecting the two images on the site.

Drakino once said he would put that information on the page with the logos, but I haven't seen it there yet.

I haven't touched that site in such a long time. I'll get your tip in when the logo site is migrated as a module to riocar.org.