Here's what people are talking about at HGTVPro.com:

Mold and Mildew
We have a four room, concrete block house, stucco over blocks. We are plagued with mold and mildew. We use Clorox to clean the walls....

Another Attic Storage Question
We moved into a new home and were thinking about putting 3/4" plywood in the attic to allow for storage. It probably won't real heavy....

Singing Pipes
When I flush my toilet in my upstairs bathroom, my walls sing a horrible groaning song. If the kids are running the bath water at that time....