Public domain photo of mountains in Alberta that was altered with the Topaz ReStyle plug-in (deep fir green and dark brown effect), then the Exposure X6 plug-in (landscape pro effect and clarity brush), then the ON1 Photo 10 plug-in (vibrance and HDR brushes), then Topaz Sharpen AI, then the Exposure X6 plug-in (central clarity effect), then FotoSketcher (oil pastel effect), then the Exposure X6 plug-in (bright gold effect), then the ON1 Photo 10 plug-in (vibrance brush), then the Exposure X6 plug-in (central clarity effect as well as dynamic contrast and luminance adjustments), then the Photoshop paintbrush, then the ON1 Photo 10 plug-in (vibrance brush), then Nik Color Efex Pro 4 (skylight filter), and then the Nik HDR Efex Pro 2 plug-in (deep effect). Public domain image (Creative Commons CC0 1.0 Universal Public Domain Dedication) by United States Geological Survey. Full-size JPEG image download on Flickr.