Hmm not sure why but a tga sequence as a regular color decal is controlled by picking decal sequence frame for each frame of animation so you can have say 1 1 1 5 3 1 2 2 etc. But if you take the same decal sequence and change its type to other and have it control length of hair it ignores your choices
Not sure if this is on purpose or if it should be reported
the project below takes a patch and applies a frame from a color sequence inluded and follows the choices but if you add hair and change the decal to control the hair it doesn't seem to follow and just does the sequence in order but if you use the sequence and film a animation of the color map and use that to control the hair length that would be a work around
john
colortest.zip