From unlimited photos storage to automatic enhancements and robust photo editing tools, here are the things you can do with your photos on Google+ that you might be missing out on. Editing Updates, Google Photos, Google Hacks, Google App, Editing Tools, Blog, Editing Photos, Photo Editing, Photos Editing
This is a great blog site that explains step by step various tips that can be used in editing pictures in sublet ways that will lead to a large impact. The blogger explains how the uses of the brightness/contrast tools can be beneficial. Also playing around with the opacity, saturation and adding various layers can add a softness and vivid look.