I was looking for a little app to randomly pick a wallpaper image from my directory of images to use as my wallpaper.

I found an application called wallpaper-tray which is a little tray app that will do just that.

apt-get install wallpaper-tray

Once this was installed i wanted it to run automaticly so i went into

System –> Preferences –> Sessions

Click on “Startup Programs” tab

Click on “New”

Add a name & in the command box put “wallpaper-tray”

This means that the app will run on boot, it now appears in the top corner & its neat little interface makes it easy to add directories for it to grab images from.