As I've mentioned probably a dozen times now, I recently purchased Adobe's Lightroom software. I'm still taking babysteps into the application, but I've played around with it a little to some good effect (I think). A few samples are below. First images are originals, seconds are the mods.
Kevin, with Saxophone
So that's a start. Feel free to leave me feedback. These were shot with different cameras (RebelXT and G3, I believe), and none of them in the ultra-flexible RAW format. I'm going to start shooting in RAW from now on, as I've seen that it handles these sorts of digital post-processing much better.