An attempt to gather all correct solutions as a community wiki.
1 (found by Jafe)
2 (found by Chronocidal)
3 (found by Jafe)
4 (found by Lanny Strack)
5 (found by Glorfindel)
6 (found by Jafe)
7 (found by Glorfindel)
8 (found by Chronocidal)
9 (found by JMP)
10 (found by Lanny Strack)
11 (found by Chronocidal)
12 (found by Lanny Strack)
First, look at the fish:
When we look at the coconuts we notice that:
While I was able to suss which pixels are important within these without it, there is a visual hint provided by the OP as to what to do next - the sun:
So, to return to the fish, what we need to notice is that:
We can then translate these:
Note here that the positioning of the fish ...
Before starting off, I just want to state that I don't know the proper formatting, so the answer might be downvoted. Also, I might be pulling at straws for the most part, because I am just an engineering student trying to apply his brain at some puzzles, but here goes nothing-
My first guess is that all (or at least some) alphabets have a number associated ...
The single-word answer seems to be
I get this from:
Finally, a shout out to @Stiv for sorting out the left-hand part of the image. To save all in one place for posterity, these are the parts of the puzzle that @Stiv figured out: