Cloudmin users who want to create VMs running the new Ubuntu 12.04 can now download images suitable for use with Xen, KVM and Citrix Xen virtual systems. All of these contain the base operating system only, not Webmin or Virtualmin.
To download the latest images, login to Cloudmin as root and go to Cloudmin Settings -> New System Images. Then click Available for download , check the boxes next to the images you want to use, and click Download Selected Images.