The word "art picture of" suggests a unique and captivating image or painting that captures the essence of the subject matter. However, the antonyms of this phrase imply incoherence and chaos. The antonyms might include a messy, blurry, or disorganized picture that fails to convey the intended message. Other alternatives may include a boring, bland, or unappealing image that lacks creativity or originality. Thus, when seeking to describe a picture with the antonyms of "art picture of," one may use words like dull, unimpressive, unappealing, amateurish, or uninspiring image, among others. These words imply a lack of artistic vision, creativity, and skill in capturing the essence of the subject.