Rule #1 - Be Patient - Rule #2 - Don't ask when, if you don't contribute - Rule #3 - You have coding skills - LinuxMCE's small brother is available: http://www.agocontrol.com
what errors do you have when installing kubuntu?
kubuntu 7.04
It looks like you are using ark to extract the mceinstaller.debright click and find your way to install ithink its under the actions menu. Once the mceinstaller pkg is installed you will see another icon on your desktop.hope this helpsTim