The first thing you have to do it decide what software
you want to use. As HDR photography has been gaining
in popularity, more software is coming on the market.
Software vendors will allow you to download a trial
(demo) version of their software. This generally
means there will be a watermark embedded in saved images.
Each software company uses its own tone mapping
algorithm. They can produce very different results.
HDR photographers recommend that you try the software.
Some are better at enhancing "normal"
images. Others are better at creating "art"
where the process is taken to extremes. Select 2 or
3 different outputs that you like. Purchase the
software and enjoy.
I have included a table listing the various HDR software
packages which I have found. At this time, I use
Photomatix Light and HDR Photo Pro. Short discription
of these 2 software packages and links to my experiences
with them are below.
I prefer to start from RAW files for processing HDR
images. That can cause problems when you purchase
a new camera. Software companies can be a little
slow developing RAW convertors. In those cases,
I have to use the JPG files.