http://www.cleanimages.com/Article-IsDigitalImageManipulationALie.asp
Don't try overly hard to be a purist, because, in reality it is impossible to do it. No matter what one does with a camera, reality cannot be accurately captured; only one's interpretation of it. But, if you insist on purism, please realize that digital imaging actually allows one to capture images more accurately than film does. Do not turn digital down, just because some will be dishonest and "create" things that never were. If you decide to modify your image, simply caption it accordingly, and go "make" some more images.Release the artist within yourself. Don't believe the lie that digital photography "manipulation" is somehow wrong. It is merely a tool to be used by honest people to make some of the best images they'll ever experience. With a digital camera and knowledge of Photoshop, you will create images that are the greatest truths that ever flowed from within you. Release your ability with very few limitations. Use your digital camera to capture saturated pieces of time. Your children and their children will remember you for it.
Keep on capturing time...
in a totally other vain:
http://www.studio10110.co.uk/imagemanipulation.htm
Image Manipulation
We charge £ 15.00 per hour for image manipulation such as resizing, optimisation and colour correction of photos (jpgs) / graphics (gifs) - we can make you look slim and beautiful - send us your image and we will give you a quote email