Utilize Watermarks for Customer Approval
Besides deterring someone from copying your image, here is another reason you might want to watermark your digital images.
Besides deterring someone from copying your image, another reason you might want to watermark your digital images is to send a digital copy over to your customer for final approval. Having your customer’s image watermarked with “Proof” across the page and to get their final approval is important, especially if any misspellings or disputes arise later.
-Cheryl Kuchek, Just My Imagination DeZigns