Cropping Help Please

[murph_34a]

Hi all,

I'm looking for some advice/suggestions on how to improve on the crop of this one. Here's the first reject:
http://www.railpictures.net/viewreje...&key=572980499

Then I tried opening up the space in front of the lead locomotive a little and still got dinged for bad cropping:
http://www.railpictures.net/viewreje...9&key=37095094

I have room on the original on all four sides so I can move the crop around. Is this an instance where there is too much sky and I should move the crop down? Any help is appreciated!