I found a way to map G-Alarm to your Chome clock on the Titanium menu for WM 6.5 in Ageye's forums. Here is the regedit ageye posted to map G-Alarm to launch when you press the Clock on the Titanium menu. I tested it and it works perfect for me. For those who use G-Alarm like me, this is a must have.
change HKEY_LOCAL_MACHINE\Software\Microsoft\Shell\Rai\:M SCLOCK\1 TO
"\Program Files\ageye\G-Alarm\galarm.exe"
(or to whatever you installed it to)
don't forget the "