Polaroid is extremely popular, and you can find thousands of decoration inspiration pictures on instagram and pinterest. I personally think polaroid pictures are fun and creative. If you don’t have a polaroid camera you can print your pictures in the format HERE. In the past I used to tape the pictures directly on the wall, but this time I’ve found a more creative, easier and inexpensive way to decorate the pictures. You can pretty much buy cords and small clips anywhere (ebay, etsy etc). I bought my stuff from Tiger and it cost only 20 kr (3$).