voici quelques bonnes adresses pour photoshop
http://www.octopussy.fr.fm/
http://www.teknopole.com/tuto/v3/tutoriels.php
http://www.4claverie.com/tuto.html
http://forum.crystalxp.net/lofiversion/index.php/f36.html
http://www.deepnight.net/core.php?idSection=15
http://www.graph-academy.com/forum/ftopic137.html
http://www.photoshop-school.org/
http://www.fairedelor.com/effets_photo/3/
http://www.action-webmasters.com/tutoriaux/photoshop/tutoriaux.php
http://www.babylon-design.com/site/index.php/
http://www.emob.fr/dotclear/index.php?Tutoriaux-video