How to create a little planet using Hugin
Create a little planet (in HDR actually) like the ones featured on this blog. Hugin all the way. You can download the example images and .PTO files from here.
Celeste is a library designed for Hugin that automatically removes control points from clouds. Click here to download a Hugin .PTO file and some images to try the featured example.
Dynamic Photo HDR is a (closed source) program that lets you make high dynamic range images. The demo version is (almost) fully functional. You can download the bracketed images I used in the example from here.