Given those two choices, my works of art I guess would have to fall in the latter category. It's okay. I don't profess to be an artist. I can draw a pretty groovy mod chick. I can doodle a passable dog or cat. But seeing the work of a real artist or watching a colleague creating images in Adobe Illustrator I recognize my limitations.
That said image editing software does give us the opportunity to exercise our creative side a bit. 'Drawing' an original illustration might be just as difficult in these programs, if you don't have the ability to do so with pencil and paper. But there are still plenty of ways to practise a little artistry.
Choosing low poly as the focus, for example, it's easy enough to turn a photograph into something just a little different. Here are a few tutorials to show you how: