Create lifestyle images to show what my wallpaper would look like in different rooms

Information for the business: wallpaper, furniture
Design details: I sell alot of wallpaper ranges on my site www.limelace.co.uk and I want to allow my customers to view the wallpaper in different mock up rooms. I need say 5 room template/room settings creating and a way to insert the wallpaper to the room so customers can imagine what it looks like in real life: simialar to http://www.wallpaperdirect.com/products/prestigious/limit/118666
then I can use these images in my product pages.
I would also be interested in hearing from anyone who had some inspiring ideas for my website, I had a vague idea to create a page on my site where clients can insert different products I sell to create a room setting and see how they look together?
Ideas for the visual style: Contemporary, eclectic
Urls to draw inspiration from: http://www.wallpaperdirect.com/products/prestigious/limit/118666
Where the design will be used: www.limelace.co.uk
Extra notes: