Hi Snow I work for www.dnalife.com.sg Our installation per wall is only $120 - $150. And all our wall designs can be customised to your liking. Why don't you visit our web. Can email me if you need more details. By the way, our wall covering designs - Disney princess came out on TV last night - Mini Home Decor Survivor. All 3000 available designs can be made into roller blinds as well.