Ha ha, colour, contrast, crispness etc........hope you didn't take it as a criticism dude, either of photo enhancement or your photography skills.
...,..I saw the original on your great web site (some fantastic shots,) & noticed the difference, although I had my doubts before,... my daughter uses such software, which is an art in it's self...I wouldn't know where to start & my photos need all the help they can get, but in my case, you can't turn a sow's ear into a silk purse.