It’s so easy to have a heavy hand when you (when I) first learn a particular photo editing technique in Gimp. (GIMP is a free open source image editing alternate to Photoshop. My husband and I love it) When you learn how to do something, you really want to do it, right?! Well, I learned pretty quickly that with vignetting, subtlety is usually best if you still want to like the picture in a few days, not to mention a few years. Here’s a tutorial (with plenty of examples) on how to add a subtle vignette (darkening around the edges) to a photo.