Is it possible to produce HDR photos using GIMP?
No, but there are a few sharewares....
http://www.hdrlabs.com/picturenaut/ dl links on the right column.
I use this one sometimes, it's not the easiest program to get the hang of but if you spend some time with the sliders and realize less is usually more, it's as good as any for a starter. 👍
Jawdropper right there^
I haven't played GT5 lately that much since BF3 came out, but since 2.02, I took a couple pics
Edit: my 800th post