Not bad, but there are a few items:
The shadow on the ground doesn't "fold" to follow the contours on the ground; it's too flat, and, to my eye, seems to put the sun at a wrong
angle. To me, it has the look of a shadow area lifted from a studio background and pasted onto the forest trail.
Edges on the outside of the figure show a definite border, which the edges on the inside do not:
It's also quite prominent on the figure's cheek.
Hair: it's a bitch, cowlicks most of all. It's nearly impossible to paste hair into another image while retaining it's natural look. Where I work,
our retouchers routinely draw in individual hairs to create the illusion. Compare the delicate filaments you see on the kid's forehead with the
clumps against the foliage:
It's too bad the kid's eyes aren't visible: we could get a better idea of the lighting.
Several other things the outdoorsman in me noticed right away:
That fish looks like it has been dead for a while. The eyes are lifeless and it appears too dry.
I can't tell if that fish has fangs, or the retoucher just messed up the mouth.
I, and I think most fishermen, usually hold a small freshwater fish like that by putting my thumb in the mouth and finger under the lower lip, but
with incisors like that, I can see why the kid might be just tickling the fishie's dewlap.
I won't post a pic, but here's oodles of pictures of people with their thumb in a fish's
Oh, yeah, one other thing: the kid's elbow seems to have magically fused with some of the grass growing on the bank: