Conceptual blending theory been successfully used in the study of a wide range of phenomena of human thought and action, from counterfactuals to metaphors, proving blending to be present in the simplest kinds of human thinking. Therefore, it is not surprising that conceptual blending theory has found its application in the study of advertisements. The primary objective of this chapter is to show that conceptual blending theory is equipped with the mechanisms that can explain the construction of the meaning of text-image advertisements with modified idiomatic expressions. In addition, the chapter analyses these advertisements in terms of visual metadiscourse, exploring the conventions employed in achieving the effectiveness of the advertising discourse and discussing the relationship of the visual and textual elements in text-image advertisements.