It's not designed to work that way - liberator is designed to be able to tell photohop what to do with a file type. It isn't a program that you can open like you described.
-------------------- Meade 10" Lx200-R with Mitty Evolution Wedge
Moonlight SCT Focuser with Digital Hi-Res Stepper Motor
Stellarvue Raptor 90 Triplet on new CGEM mount
SBIG ST2000 XM Imager
SBIG ST402ME CCD Guider
Canon Digital Rebel DSLR
Meade DSI-c CCD Guide Cam
Too Much Software
Too Many Computers
Not Enough Clear Nights
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