Public domain photo of the Firehole River that was altered with the Topaz ReStyle plug-in (mauve light effect),then the Topaz Clarity plug-in (low contrast and color pop effect), then the Topaz DeNoise plug-in, then the Alien Skin Exposure X3 plug-in (central clarity effect), then the Topaz ReStyle plug-in (coral twilight effect), then the Nik Color Efex Pro 4 plug-in (darken/lighten center effect), then the Alien Skin Exposure X3 plug-in (golden hour pink effect), then the Topaz Impression plug-in (pencil sketch by Tony Sweet stroke 14 effect), then the Photoshop paintbrush, and then the Alien Skin Exposure X3 plug-in (exposure and saturation adjustments). Public domain image by the National Park Service. 50%-size image shown. Full-size JPEG image download on Flickr.