http://www.ehow.com/guide_5-http://www.ehow.com/guide_5-computers.html.htmlwww.ehow.comhttp://www.ehow.com/how_4445096_sharpening-blending-photoshop-cs3-tutorial.htmlSharpening an image in Photoshop can use a variety of brushes, filters, or effects. Learn to sharpen an image for blending in Photoshop CS3 in this free Photoshop tutorial video. Published on 7/17/2008