Wallpaper Slideshow - UBUNTU

We can create a cool Wallpaper slideshow like MAC OS on Ubuntu. The application used is Wallpaper Try.
Now we install wallpaper tray, just type on your console:

$ Sudo apt-get install wallpaper-tray

After the installation process is complete, add application on your toolbar by right clicking on the toolbar, select Add to Panel, actived Wallpaper Tray.
To configure the slideshow, just right click the icon in the toolbar, select Preferences. At the facility where you can set the background folder and other settings, like the time change and how the background show. Then enjoy your Wallpaper Slideshow.

Install JDK and JRE for Ubuntu

How can I install Sun Java Development Kit (JDK) and Java Runtime Environment (JRE) on Ubuntu Linux?
To install the JDK, JRE in ubuntu, and we can use an online repository.By using the following command in the terminal:

$ sudo apt-get install sun-java6-bin sun-java6-jre sun-java6-jdk

That's the simple way that I use.good luck...

[ HOW TO UBUNTU ] Connect LCD Projector

Easy way to connect LCD Projector:
1. setting your display resolution to 800x600 or resolution that can be supported by your projector.
2. use this

magic word

on terminal:

xrandr --auto

Good Luck