Texture error

[GrandDukeAdense]

I am making an intro for a campaign I am working on. I have imported several models, and everything has worked good until suddenly:
http://i197.photobucket.com/albums/aa253/GrandDukeAdense/WHAT.jpg
At first, I noticed some houses had this, but after a while, even more houses were white. And now all houses are Any suggestions?

 

[HappyTauren]

go to import manager, and delete textures that are 1 kb in size or less.

 

[GrandDukeAdense]

thanks for the help!