Link love from 2011 CNPA Annual Meeting . . .
Jim Zuckerman has several articles on the site but the one he referenced on image stacking can be found here . . .
He also mentioned this site for upgrading Photoshop by supplying any “report card” . . .
For interesting Photoshop effects . . .
The link to his site is . . .
From Les Saucier . . .
His site . . .
I don’t remember who shared this site . . .