Lately there's been a bad trend in photography: photographers stealing or buying images, to make their portfolios look better. As photographers we must keep growing and learning. If we do not incorporate different styles of photography in to our workflow, our portfolios become stagnant and people will lose interest.
This may not be filters or even a different for of image editing. But adding new improved ideas to your workflow is just as good. Ideally you want to build your confidence back up in these troubled times where stealing photos seems to have become a past time.