To answer the first question, I think you may need to log out and back in again to
apply the change. The answer to the second question is a bit more involved. Windows
remembers how you view each folder that you visit. If you normally want the detail
view for most folders (as I do) then you can set this option for the current folder
and then apply it to all folders via Tools - Folder Options - View tab. When you
visit a folder with pictures in it, change the view to thumbnails and Windows will
remember that view for that folder only. Once you have visited each picture folder
and changed the view to thumbnails as required, it should still be that way next
time you visit. Hope this helps. Cheers. Spexx.