Thank you everyone.
I no longer foal down in my stalls anymore, I find it works better for me and the mares to foal them down in one of the field shelters. We put walls up on the opening side so that it is like a stall and then baby can meet the others in her moms herd before they all go back in together. This field shelter in particular is perfect as it is huge, has its own separate paddock which can be closed off from that main field. I keep the other mares out of this paddock for the first couple of days and then let them in with mom and baby in the field shelter so that I can gauge the reaction of how mom is going to react to their presence. Maybe not everyones way, but it works perfectly for us.
Here's another photo of the little one and her mommy back out with their herd again a few days later.
