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>> >>3) Does anyone commonly use adjustment layers, and is it better >>than history palette snapshot? Does it replace levels and >>curves? I have been practicing with some very basic editing with >>levels and unsharp mask and wondered if it was a useful tool in >>certain cases. I am afraid of data loss since I don't fully >>understand multiple corrections yet. I think I am in 8 bit mode ( >>I scanned in 256-8bit to Photoshop). > >adjustment layers are great! I would use them whenever possible. That >way your original image is intact. They may take up less space than a >History snapshot, but I have never used that technique, so i don't >know... But don't the history snapshots get lost when you close whatever you're working on? I think they do. With adjustment layers you can close your document and come back to it whenever and they'll still be there. Kapi -- ________________________ Kalliopi Monoyios Scientific Illustrator Department of Anatomy 1027 E. 57th Street University of Chicago Chicago, IL 60637 phone: 773/ 834.4774 fax: 773/ 702.0037 ________________________