Splashup, formerly Fauxto, is a powerful editing tool and photo manager. With all the features professionals use and novices want, it's easy to use, works in real-time and allows you to edit many images at once. Splashup runs in all browsers, integrates seamlessly with top photosharing sites, and even has its own file format so you can save your work in progress."
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The information in the histogram is the best way to tell if an image is over or under-exposed. Ideally, with conventional images, you want the graph to extend neatly within the extreme boundaries of the histogram. If you find your histogram has minimal content at either limit, you can be safe to assume that the contrast of your image could be improved, and this is where Levels come into play." Whatever we choose to do to the black point slider will have no effect on our highlights, and whatever change we make to the white point slider will leave the shadow end unaffected. Being able to adjust both ends independently gives us a great deal more control than does Brightness and Contrast.
hing which stretches the image histogram increases the possibility of posterization.
Performing levels on a luminance histogram can easily clip an individual color channel, although this may also allow for darker and brighter black and white points, respectively.
Performing levels on an individual color histogram or channel can adversely affect the color balance, so color channel levels should only be performed when necessary or intentional color shifts are desired.
"If it is for print, use 'image size' if only for web use 'save for web', don't change the quality down from 12 as this will lead to artifacts, and should only be used to reduce file size for images that remain only in electronic form to be viewed on crt's. Your default image dots per inch count should be at least 240 dpi, better at 300 dpi for print. If using only for web, first change dpi to 72 or 74 dpi, (screen resolution), this will also change image size, then save for web if that is your final area of presentation. My guess is that a competition is going to end up in print, so you will need to keep image at the 300 dpi, and reduce image size by changing pixel count."