It would be handy to have a GRAPHITE_HOST_PORT setting so that if graphite runs on a different port to the standard port 80, links within the skyline frontend can be created appropriately. Just appending the port breaks analyzer.py:

GRAPHITE_HOST = 'http://graphite.example.com:81'

analyzer.py's nc post to graphite does not work with a port declared as it is only stripping the 'http://' and not the port, this means you can have both valid links and skyline posting to carbon (it seems).