You can stick some colorful cartoon stickers or posters. It's an easy and fun way to add a cartoon touch.
Well, you could consider painting a cartoon scene on the wall yourself. It'll be unique and personalized. Or you can hang framed cartoon artworks for a more sophisticated look.
When decorating the living room and dining room, the ceiling and wall design could be used to divide the space. Different shapes and styles of ceiling could be chosen to distinguish the functional areas of the living room and dining room. For example, the ceiling of the living room could be designed with uneven shapes, while the ceiling of the dining room could be designed with simple lines, which could produce a clear visual boundary effect. In addition, the original beams in the space could also be decorated, such as adding chandeliers, etc., to maintain the space's penetrability and plan out different functional areas. For spaces without a ceiling, the wall could be used to divide the living room and dining room. Different shapes, materials, and colors could be chosen for decoration, such as using wooden boards, stone, or ceramic tiles. Through the ingenious design of the wall, the living room and dining room could be visually independent, creating a different atmosphere and style. If there was a corridor between the living room and the dining room, the floor tiles could be used to divide the space. In addition, during the renovation, you should choose an overall style, pay attention to the continuity of the living room and dining room, and avoid the style difference being too big, giving people a sense of disharmony.
You can start by using comic book posters and wall decals. Add some colorful throw pillows with comic characters on them. Maybe a coffee table with a comic-themed top would be cool too.
The background wall of the living room could be decorated with a suitable painting. Paintings in the central hall were commonly seen in the background wall of the sofa in a Chinese-style house. It was generally believed that it was best to hang landscape paintings in the central hall. It gave people the feeling of having a backer, broadened their horizons, and had the effect of gathering qi. You can choose a landscape painting as a hanging painting in the central hall. For specific landscape paintings suitable for hanging in the central hall, you can refer to the relevant pictures and brands in the search results.
You can start by putting up Christmas lights in fun colors. Add some cartoon character stockings and a big Christmas tree decorated with cartoon ornaments.
Well, for a black and white cartoon living room, use black sofas with white cushions. Hang black and white framed pictures on the walls. Also, a black and white striped carpet would look great. And don't forget some black and white lamps for lighting.