Graphics or pictures need to be adjusted for use on the web. A digital camera takes very detailed pictures that, if loaded on a website, will result in very sluggish response for your customer.

The most common needs are to crop or resize a photo or artwork.  In addtion, one may add borders, shadows and other effects.  A great program for this purpose is SnagIt.  SnagIt lets you capture images from your screen and edit, resize, and enhance.