Public domain photo of Mitre Peak that was altered with the Exposure X6 plug-in (saturation and clarity brushes as well as luminance adjustment), then the Photoshop paintbrush, then the Exposure X6 plug-in (complementary purple and yellow as well as central clarity effects), then FotoSketcher (oil pastel effect), then the Exposure X6 plug-in (dodging and burning as well as clarity brush), then the ON1 Photo 10 plug-in (vibrance brush), then the Exposure X6 plug-in (clarity brush), and then the Photoshop paintbrush. Public domain image (Creative Commons CC0 1.0 Universal Public Domain Dedication) by Bernard Spragg. Full-size JPEG image download on Flickr.