OpenStack Images https://www.openstack.org/summit/tokyo-2015/videos/presentation/rolling-your-own-images-with-packer
Packer Openstack/Devstack https://www.packer.io/docs/builders/openstack.html
DevStack https://git.openstack.org/cgit/openstack-dev/devstack/
Packer Virtualbox Builder https://www.packer.io/docs/builders/virtualbox-iso.html
Unattended VM Image Install http://blog.aarhusworks.com/unattended-installation-of-vm-images-with-packer/
Packer Windows QEMU Templates https://github.com/jakobadam/packer-qemu-templates/tree/master/windows
Packer Vagrant Templates https://github.com/mwrock/packer-templates
Windows Base Image Blog Post http://www.hurryupandwait.io/blog/creating-windows-base-images-for-virtualbox-and-hyper-v-using-packer-boxstarter-and-vagrant