Absolutly Bicks. You're right those shots were edited using HDR techniques. Basically I had auto bracketted the original shot so that it created images that were both under and over exposed. However, my camera (Nikon D40) does not have this function built into the camera unlike alot of SLR cameras, therefore I manually over and exposed each shot. From here I used the software Photomatix which allows you to tonal map your images after combining all the exposed shots into one image. Then I took some time editing the many features within Photomatix such as saturation, strength, luminosity, shadows, white balance etc until I was happy with the final image. The I processed it.
Im relatively new to HDR but it can change the way you think about certain scenes/photo opportunities. For example, I was out running the other week and passed this disused barn (see below), ive probably run past this plenty of times - but after experimenting with HDR I could see an opportunity for making an interesting composition, so I went with my camera to shoot it then edited it using HDR techniques.