To avoid using someone else's copyright protected images you aren't allowed to use for commercial or even personal use, Google Advanced Image Search has got you covered.
Microsoft Word allows you to add the comments to text, images or basically anything included in the document. It's a great way do review a document and suggest the changes that should be made.
Adding a lens flare can make or break a certain image. The best kind of lens flare is the natural one taken through the actual lens of a camera, but if we do it the right way, we can recreate it using Photoshop just as good.