Let's design a stylish and transparent discount label you can then use for an online shop website, posters and similar media you want to advertise a discount on, using Photoshop.
A real useful tutorial for the beginners where you will learn how to do a simple zoom in effect on a random text and them zoom out of it again in Adobe Premiere CS5.
If you don't have installed program for editing PDF documents on your computer, then you can use web application PDFescape which allows you to edit your documents in your browser.