photo improvement

[kcmh]

upload several photo's these were reject for a few reason, here you go

http://www.jetphotos.net/viewreject.php?id=276876
sceener advised photo is soft, maybe one more swipe of a sharpen tool?

http://www.jetphotos.net/viewreject.php?id=276880
I really like this photo but im afraid if I enlarge it more it will be crap!

http://www.jetphotos.net/viewreject.php?id=276861
nevermind that its out of center (operator error!!!!)
but how do I sharpen this up to be acceptable here.

http://www.jetphotos.net/viewreject.php?id=276849
not sure if this can be saved

http://www.jetphotos.net/viewreject.php?id=276816
it was worth a shot but the photo is one of those damn I was not ready for the shot!!!! O well