Photoshop tutorial - preparing your traditional media to upload

This is a simple one, but how many of you have traditional media such as drawings and paintings that you need to upload to an online portfolio, job application, or other such needs. It just uses basic Photoshop tools, but it's important to know to have the best digital representation of your traditional work. But remember, the better your photographs are, the better the final result will be. Photoshop can improve your photos a lot, but it's not magic. The common saying is: Garbage in, garbage out.