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Nice one, bump

I never got to solve this, I wonder what did I miss...

Oh nice to see I have been close to the solution at least. I have extracted the first thumbnail and also checked exif data and hex dump and stuff on it but I didn't realize that I needed to go deeper :D Nice puzzle though

Nice. I started off thinking you hid something in color data. When that didn't pan out (and you confirmed it), I realized the file size was too large for a one-pixel image. Sadly couldn't find the way to decode it before I turned in last night. Great puzzle as always though!

Learned something new from the solution. Thought the color data was important. Otherwise clearly there was something more in the pixel, but I didn't know what to do with that hunch besides the zip file trick.

Thanks for providing the solutions to the puzzles. I got to the point of finding the thumbnail that says "There is no GA", but was stuck from there. I never thought of checking the thumbnail for more data.