#!/bin/bash
LIMITE=99
for a in `seq 0 $LIMITE`
do
	if  [ $a -lt 10  ]
	then 
		composite -blend $a -gravity South logo.jpg black.jpg -matte  logo00$a.jpg
		composite -blend 100 -gravity South logo.jpg black.jpg -matte  logo10$a.jpg
		composite -blend $((100 - a)) -gravity South logo.jpg black.jpg -matte  logo20$a.jpg
	fi
done