This is for Vista Style Builder

You can speed up or slow down the Pulse/MoveOverlays on progress bars.

Normal: Buttons, Boxes & Controls > Progress Bars > Normal
Properties to change:
FRAMESPERSECOND:INT (Higher = Faster)
PIXELSPERFRAME:INT (Higher = Faster)
ANIMATIONDELAY:INT (Higher = Faster)
ANIMATIONDURATION (Higher = Faster)

Indeterminate: Buttons, Boxes & Controls > Progress Bars > Indeterminate
PIXELSPERFRAME:INT (Higher = Faster)

Thanks to Panda X for this Tutorial