That script works fine. Assign it to a character and run test game.
Walk up to the character, hold the shift key. Left and right mouse button goes thru the frames. Frame number listed in the bottom center of screen.
This just runs thru the models animations so you can choose which frames you may want to use, and assign them in the FPE file for that character.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.