The Sims 2 Home Crafter  

I haven't downloaded it again since my old computer crashed (might do that later today) but I used to have it and I made a lot of walls and floors for the game. I started by just recoloring the tile sets for the bathroom because I didn't like the colors in the game or the floors and walls didn't match. I wanted to do an all pink house so I had to make pink tiles (it turned out great and I hate pink, lol).

The best part is you can make the walls and stuff cost only 1 simoleon which makes it much cheaper to decorate your house if you don't use money cheats.