Uhh you could just change the images set colour effect or w/e
like open the gani in notepad and add something simimlar to this perhaps:
PHP Code:
COLOREFFECT ID R G B ALPHA
down near where it defines the default attr.
But then that would change the colour effect for the sprite all the time,
you could just copy the sprite, and make a new ID for it, and only use that specific sprite the one time you need it, but have the colour effect change that.