Painting, or rather re-painting the wall is one of the best and inexpensive home decorating ideas. You can make drastic makeover in the color of the wall to create an altogether new look. From the dull beige and yellow, you can go for purple or teal and see the difference. Secondly, one of the other simple wall decorating ideas is that you can make use of different paint types like glaze painting and splash painting for different look. You can also ask kids to paint their own wacky designs on the walls of their bedroom.
Making homemade murals is another wall decor idea. Accepted that you are not great artist and painting on an entire wall is great deal, but, there is simple alternative to it. You can cut stencils of your favorite designs, trace them on the wall and then paint in between to create an easy mural. You can even go for smaller design in the beginning to avoid messing up. Creating animal, alphabet, picture murals in kids’; bedroom can also be useful and cheap wall decor idea.
Lastly, the all time favorite collage is still one of the most popular wall decoration ideas. You can make your own collage of photographs and place it at the center of the wall. Secondly, you can also make your own photo frames at home or paste all colored photographs on black construction paper and hang them on nails on the wall. You can change the photographs after few months and put on new ones and so you can have new wall decoration.
You can find raw materials for any of these ideas online or at the local market. You can also come up with your own cheap wall decor ideas using any existing artwork, souvenirs, etc. at home. Lastly, note that decoration is all about creativity! Good luck!