Yahoo and Windows Live authentication are both a feature in JFBConnect. The image in the SCLogin area may just not be updated to show it.
The Easy-Tag for authentication is:
That will show all the providers you have configured. If you want to show only a few, or want to order them in a specific way, you can do:
{JFBCLogin provider=yahoo,windowslive,facebook,twitter}I hope that helps. If Yahoo and WindowsLive aren't working for you though, let us know what isn't working and/or any error messages you receive.
Thanks,
Alex