With the importer you run the script and select the GFA file you want to use.  If you don't have enough frames on the animation timeline it will tell you to add the required number.  You then have to run the script again and select the GFA  that you wish to use.  It will then add the animation to the character.  All inside poser.  No need for Animate.    If needed, later I can post some screenshots of the process.

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Consider me insane if you wish, but is your reality any better?