If you have an Ipad, check out the free magazine Extraordinary Vision
Here is an excerpt from my contribution to the current edition:
Yosemite is amazing, but good luck getting a unique shot from anywhere accessible in Yosemite Valley. In locations like Yosemite, I try to push the digital post-processing creativity. My plan for this trip was to shoot HDR panoramic images and/or long exposure HDR images with the 10-stop ND filter. This is a long exposure HDR image of El Capitan taken in the ice-cold Merced River. The cloud action makes this image. Metadata: Sony A700, Sigma 10-20mm @ 10mm, F/11, 4 exposures (2, 10, 40, 70 seconds), ISO 200. Images processed in Photomatix. GPS Coordinates: 37°43'1.70"N, 119°39'42.34"W.