A few web sites to help those with questions on HDR.
There has been a lot of buzz recently about HDR photography, but many people assume that it's only limited to professional photographers. The reality is that just about anyone can take and process an HDR photo with most cameras and proper HDR software.
Good site tutorial
Photomatix website were you can download a free trial of the software.
Another site for FREE HDR software
HDR Tutorial and the Texture Tutorial
This tutorial below on HDR is free. Free as a bird
Hope someone else can place more info for those who need to no.