Roofs:
http://simfileshare.net/folder/128027/Stairs
http://simfileshare.net/folder/128028/Walls & Floors:
A:
Africa
Afterregn (After Rain)
Akita Collection
Albany Collection
Alluring Arches Walls & Floors (for the Alluring Arches house)
Americana
Amy
Anime Angel
Apples
Argonath
Asian
Autumn
All found here
http://simfileshare.net/folder/128232/B:
Baby
Baby Animal Mural
Balloons
Bath
Beige
Benetton Collection
Big Cats
Birch
Bird House
Birdhouse Mural
Black
Blue
Boxwood
Boy Bedroom
Brick
Brown
Burgundy
Burgundy Bliss House (house file not available)
Butterflies
All found here
http://simfileshare.net/folder/128234/
