I was having trouble composing and upon chimping I noticed JUNK on my sensor. How much?
Ouch. Look at all that. In addition to being bitten by ravenous mosquitos and not being able to compose an image, now I had stuff on my sensor. This is not the kind of stuff that the D300's "Clean Sensor" deal can take care of. no no no. I tried three times and it made no difference at all. I was forced to give up, go home, bust out the shop-vac and clean my poor sensor.
Luckily, with some post-production contrast boost I was able to get a decent image out of a shot I had taken before I was beset by the sensor-cloggers.
I really like the contrast, both highlights/shadows and colors: blues, pinks and yellows against grays and blacks.
tech: D300, ISO 100, Vivid PC, contrast and saturation +3, f22, 1/15 sec.