Photoshop had blending modes, or rather channel operations, before it had layers. I learned how to use photoshop from kai's guide in the early 90's. It's amazin

Photoshop had blending modes, or rather channel operations, before it had layers. I learned how to use photoshop from kai's guide in the early 90's. It's amazing how powerful photoshop was even back then. I still think it's useful to read through those tips, just to understand what it is that photoshop does behind the scenes when you make it generate a drop shadow. http://www.mprove.de/script/90/KPT/ http://www.mprove.de/script/90/KPT/