Color aside on the first three, what was your reason for taking the shot. What caught your eye and did you record it. If not what do you think would have made it better.
I'm not sure that you fully understand White Balance,
Understanding White Balance What settings does your camera have for WB and have you researched and read how those settings affect your image? Are you saving as JPEG or Raw? If your saving JPEG it's important to understand camera setting effect on WB. If you're saving Raw files and your software supports it, you can adjust the White Balance how ever you want.
Like the others I agree the last is the most visually appealing.