This thesis begins with an introductory part describing the development of photography, and mentions the development of photo processing from its beginning in the past till today. Then, the history of using the photo for advertising purposes is briefly discussed. The new chapter starts with an analysis of marketing in advertising. It mentions targeted audiences and their psychological profile, and how advertising works on them. It then describes what advertising is, what it is based on, what types of ads are and what are the visual elements of the ad. The next chapter describes digital photo processing and photo processing programs. After that, the basic tools and techniques for photo processing are mentioned in the Photoshop program. The theoretical part ends with the discussion of the excessive processing of photographs and the ethical question of over-processing of photographs. The practical part begins with the creation of a plan, selecting the product, selecting the location. After that, it is described the technical modes of photographing and the technical settings and of the camera. Then the poster and photo processing process is followed. The experimental part deals with problem-solving, defines the target group and hypotheses, and a survey is conducted from which the results are analyzed. The aim of the research is to determine the consumer's view of processing the pictures of food products and whether their processing encourages them to buy or not.