Here are some links to pages that have inspired me.
Nature photography links:
http://garyluhm.net/ Gary Luhm’s pages inspired me to make more active use of Adobe Lightroom and landscape photography in general.
http://www.johnshawphoto.com/ John Shaw is a master photographer and his book “Closeups in nature” gave a boost to my macro photography.
http://www.mountainphotography.com/ Jack Brauer is good on mountain photography and gives backpacking equipment reviews.
http://www.lincolnharrison.com/ Lincoln Harrison in Australia has some amazing images on star tracks.
http://www.nimmervoll.org/ Daniel Nimmervoll has made some fantastic images of falling water droplets.