You can use wget to grab it. Check MD5 when finished, and burn.
You need to click "add a cdrom" in third party repositories.
Disable your online repositories to use cdrom instead.
LOOK AT SHOTS !
You can install these good choices :
rtu-apps
rtu-media
sun-java6-plugin
cinelerra
lincity
frozen-bubble
msttcorefonts-offline
w32codecs
vlc
