the best thing to do to is to edit them as you would upload them and people on this forum will certainly help you out.
Heat haze killed #s 1 and 4.
#2 has a good chance I'd say.
#3 the quality isn't there, looks like a heavy crop.
#5 could be a motive problem, I'm not sure how "rare" this particular aircraft is.
Also when you crop your images, make sure your aspect ratio is either 3:2 or 4:3.