If you have interest in manipulating images but are not interested in spending tons of money on Photoshop (not to mention learning the very complicated program) try Pixelmator. Pixelmator is $15 and is a super simple image manipulation program. It is easy to learn, simple to use and provides many of the same functions as photoshop. It takes a lot of the techie complicated stuff out of editing images!
At one time, the only way to record professionally quality music was to go to a major studio and spend thousands of dollars. Now you can make professional sounding recordings only using your iPad! All you need is an app like GarageBand and the Blue Spark. The Spark is a recording studio quality condenser microphone that plugs directly into your iPad, iPad mini or Mac and sounds amazing on any source. Now when the inspiration strikes, all you need is pull out your iPad and your Spark and capture your creativity!