to ec2-user or not to ec2-user?

[Bill Nottingham]

Matthew Miller (mattdm at fedoraproject.org) said: 
> On Fri, Dec 14, 2012 at 01:32:35PM -0700, Robyn Bergeron wrote:
> > >  - We're making images for EC2 and for other cloud systems as well.
> > I know we're doing ec2. what are the other image types?
> 
> A downloadable one which will work in OpenStack, Eucalyptus, CloudStack,
> OpenNebula and for that matter as a simple KVM guest if you like.

<cloud n00b>

What format is this, and how is it converted to/from a EC2 (or even
bare-metal) image?

</cloud n00b>

Bill