Salvage Job

An exercise: this photo has a close relative appearing today on ST. LOUIS DAILY PHOTO. They are parts of a seven image sequence of the same subject, shot at 2/3 stop intervals from -2 stops to +2 stops. The aperture remained the same and the shutter speed varied. They were intended to become part of a seven layer HDR of the Arch. However, when I blended them in Photomatix, the sky came out with a marked box-shaped weave pattern in. It looked like fabric. Actually, it looked terrible. If any HDR experts can explain that to me I'd appreciate it.

So, I started playing with the individual pictures in the sequence. This one was +1 stop (ISO 100, f 6.3, 1/100 sec., spot metering). I always shoot in RAW so I could mess around with the image a lot. This is what came out.

Click to see the companion photo on ST. LOUIS DAILY PHOTO. Which do you prefer, assuming that either one does something for you?