If you are likely to use the daily CD again keep it on your hard disk and rsync when needed. You might want to set up a nightly rsync cron job so will have a fresh daily CD image whenever needed.
or try zsync
Kubuntu Seeds are defined desktop and other elements. Germinate turns them into the list of packages that go on the CDs, see SeedManagement.
Kubuntu Zesty seeds: http://people.ubuntu.com/~ubuntu-archive/seeds/kubuntu.zesty/
Seeds bzr repositories: https://code.launchpad.net/ubuntu-seeds/+branches
Germinate output: http://people.ubuntu.com/~ubuntu-archive/germinate-output/kubuntu.zesty/
`component-mismatches` lists packages that should be moved between main and universe.
component-mismatches output: http://people.ubuntu.com/~ubuntu-archive/component-mismatches.txt
Merges todo: https://merges.ubuntu.com/
Uninstallable packages: http://people.ubuntu.com/~ubuntu-archive/testing/natty_probs.html
New queue: https://launchpad.net/ubuntu/natty/+queue
Unapproved queue (when we are frozen): http://people.ubuntu.com/~tfheen/unapproved-queue/natty/
Ubuntu Net Install ISO: http://archive.ubuntu.com/ubuntu/dists/natty/main/installer-i386/current/images/netboot/ To install Kubuntu boot the netinstall iso with "linux preseed/url=http://people.ubuntu.com/~cjwatson/bzr/debian-cd/ubuntu/data/natty/preseed/kubuntu/kubuntu.seed"
CD Build Logs: http://people.ubuntu.com/~ubuntu-archive/cd-build-logs/
Live FS Build Logs: http://people.ubuntu.com/~ubuntu-archive/livefs-build-logs/natty/kubuntu/
File Conflicts: http://people.ubuntu.com/~robertc/possible-conflicts/natty/
NBS packages which are not longer built from source: http://people.ubuntu.com/~ubuntu-archive/NBS/
Debug packages: deb http://ddebs.ubuntu.com/ natty main