Photo manipulation

HI. I need to manipulate a shutterstock photo of a guy close up. Hair needs completely changing, as do the eyes. The resulting illustration will be part of a fantasy book cover. I need to know if it can be done and what the quote would be. Thanks hi Masha. I need to manipulate a shutterstock photo of a guy close up. Hair needs completely changing, as do the eyes. The resulting illustration will be part of a fantasy book cover. I need to know if it can be done and what the quote would be. Thanks