First off, this is exactly what I was looking for. I'm setting up a website for a non-profit youth football team and they want the ability to send out "hotline" messages if practice is cancelled for example. This works great. I had to toy with it a bit to get it working but even with limited wordpress experience it all came together. HOWEVER; the "send SMS message" from the control panel doesn't work for me. No big deal, I just send out the messages via the POST section.
A couple of things that would be wonderful for this plug-in:
-Make sure the send SMS message part works.
-Ability to change email address from firstname.lastname@example.org
-Ability to choose default country or not display other countries (in my case I don't expect anyone outside of the US to be subscribing so it's an extra un-needed option).
Thank you so much for your great tool.