The new image is now working for me. Where it wasn't working previously. I'm just using a Samsung 2GB microsd card. Let me know if I can provide any info.
I also have been having issues with my Zero W purchased from MicroCenter. I was running Raspbian Stretch just fine and needed...
"ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev" in the wpa_supplicant.conf