#! /bin/bash

#...

LIST=`ls COMPOSITE* | awk '{x[NR] = $1;}
END {
    printf("%s", x[NR]);
    for (i = NR - 1; i >= 1; i--)
        printf(" %s", x[i]);
    printf("\n");
}'`

rm -f MOVIE.gif
convert -delay 20 -loop 100 $LIST MOVIE.gif