Themes, background images, and layouts are a good way for you to customize your presentation and tailor it to a particular audience. In this lesson you will learn how you can easily set a custom wallpaper, or use a theme that Google Present offers.
If you dont't want that every time you take a picture with your Android device, it gets instantly uploaded to your Google+ profile, this tutorial's for you.
If you are a Skype user, it maybe disruptive for you that the program is shown in taskbar, although you don't need it at the moment. I will show you how to remove it from the taskbar.