Digital blending involves combining multiple exposures taken at different settings or different times of day, and combining these elements into a single image. Here are my three favourite examples from my portfolio.
VW Campervan Lightpainting. This work involved positioning a van on a hill at sunset for a short exposure, then combining this with multiple long exposures later in the night while twirling a "pixelstick" lightpainting wand around the vehicle. Finally, once last exposure where the van's lights are illuminated inside and in front.
Batu Caves in Malaysia provide this atmospheric scene. Multiple exposures over the course of 90 minutes are compiled here to bring together the birds, the sun rays, and the foreground (free of tourists, monkeys and chickens!)
Buddha Tooth Temple in Singapore is a spectacular sight especially at night. I captured several exposures over a 15 minute period to correctly expose various elements of the scene. There is a huge dynamic range in the image, so only an HDR technique could yield results like this.