Yellowstone in HDR 12

HDR shot from Yellowstone National Park, using my new(ish, now) Olympus E-410. It only has autobracketing in three steps at a widest range of 1 step (so, -1 EV, 0 EV, +1 EV), but I didn't have my tripod handy so I could really only use the autobracketing if I was going to have any chance at all of keeping the pictures mostly aligned. Combined in Photomatix...

(Grand Prismatic Spring)