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Summary: Using Photoshop CS3's history brush, you can alter an adjustment layer. Learn to use adjustment layers in this free Photoshop tutorial video.
Julio Costilla has been shooting photos since the age of 14. His dream was to become a professional photographer before the age of 25, which he made with years to spare. He owns and...read more
"Adobe Photo Shop is a registered trademark of Adobe Systems Incorporated and I am in no way affiliated with Adobe. Okay, so say for instance on this image we desaturated the church and we got a look that kind of looks like this but say for instance you took away color from the background you did not want to be taken away. So now what you want to do is basically merge this saturation layers down, so we are going to click on the little arrow that is right above the "opacity" and hit "Merge down". They can either hit Command or Control E as well for a shortcut, "Merge down", so it merged everything down onto this layer. Now all I have to do is simply go to your "History brush tool" which is right over here, let me zoom in for you guys, it is right there "History brush tool" and all you have to do is just paint and it is going to bring back everything for you, anything you want. If you even want say for instance this sign color but you do not want the church to be in color, you can just paint back everything we want. This is just in the instance that it accidentally erased something that you did not want to be erased. So sometimes that happens, sometimes when you are using this kind of method of coloring verse, it takes away stuff that you do not want. So basically I wanted to show you guys you can use your "history brush" to actually bring stuff back, it is a very simple method and it is very effective, very, very quick. So I am actually going to show you guys another thing you can do with the saturation paint and we are going to actually change the color of the sky. So I am going to show you that in our next clip."
eHow Article: History Brush & Adjustment Layers in Photoshop CS3