Anonymous

#!/bin/bash
FIXE=250
TRANSITION=50
IMAGE=10
for i in `seq 0 $IMAGE`
do
	for f in `seq 1 $FIXE`
	do
		composite -blend 0 -gravity South  $i.jpg $(($i + 1)).jpg -matte  logo$(($TRANSITION * ($i + 1) + ($i) * $FIXE + $f)).jpg
	done
	for f in `seq 1 $TRANSITION`
	do
		composite -blend $(($f * 2)) -gravity South   $(($i + 1)).jpg $i.jpg -matte  logo$(($f + $i * ($TRANSITION + $FIXE))).jpg
	done
	
done