here is a list of online tutorials to help anyone interested in learning HDR photography and processing.
none is right or wrong, none is better then the other, if you want the best result, read them all and learn from each then trial and error.
it's these which helped us understand HDR.
1. HDR intro & Photomatix Workflow[link]
2. CS2/3 HDR Merge[link]
3. Official Photomatix Tutorial[link]
4. nemisis11 Photomatix Video Tutorial[link]
5. Very detailed HDR tutorial[link]
6. Single jpeg HDR[link]
7. A better understanding of HDR[link]
8. Less tonemapped more realistic HDR[link]