What a controversial thread. :)
My notes:
-diplomatic one here: the blurring of the water does not look physically-accurate, BUT to me it looks fine as an "artistic" effect - the whole image looks a bit painting-like anyway
-I like the contrast between the green hues of the grass and the reddish glow around the sun in the first picture - the next ones lack this effect
-generally it looks more like an in-game screenshot than a photoreal rendering - if that's the goal, then fine; if not, I would recommend paying more attention to details - as mentioned - some dead leaves/dirt/debris, more balanced colors and post processing, I would try with a dull, depressing, horror-like swamp look :)
update: added my attempt, I hope you don't mind
