If you are using removable disk or USB key then you should look at this lesson. I will show you how you can safely remove your device from computer without the fear of losing data.
If you want your progress bar to look a bit different you can create it in a shape of a circle with counter in the middle. We will create in a so called flat design trend using Adobe Photoshop.
You can add multiple desktops to the Mac OS X Mountain Lion by using Mission Control, formerly known as Spaces. Can be really useful if you are a busy multi-tasker.