First House Scene

Hee Guys!
I made my first house scene today, but I don’t really know how I can make it like a beautiful dusty house at noon. Can somebody help me and give me some good tips how I can texure this scene nicely?
Thanks a lot!
Watch the picture at: http://picasaweb.google.nl/micra.online/Blends/photo#5134952566091337698