In Tiger one can set it to a maximum of 1 hour or 1 day. Not 3 or 4 hour. Paul Moortgat On 28 Jul 2006, at 23:35, Eddie Hargreaves wrote: > I used to have my Desktop picture change every 3 or 4 hours using > the tip > provided at http://www.macosxhints.com/article.php? > story=20030325020900756 > > Unfortunately, in Tiger, I can no longer open > com.apple.desktop.plist in > TextEdit and change the values. How can I change the values using > defaults > in Terminal? > > I know it needs to start with: > defaults write com.apple.desktop > > But I don't know how to format the rest of it. > > -- > Eddie Hargreaves