Following the mystery embedded in the initial puzzle...
Note: Sorry, I messed up. I've re-uploaded the image in PNG format. Quality should be back.
Congratulations! Through much hard work, you've managed to solve the initial puzzle and have apparently pleased your unknown host, who sends his regards and more instructions:
Congratulations. You've passed the first test.
Each level from here on out will contain a hidden message of some kind. Good luck, and keep your wits about you. Only five more challenges to go.
Level 2: https://www.noreallyitis.me/FF0A86.png
[Ed. Note: The link is dead now, but the below image is a mirror hosted on Imgur. It should suffice for this challenge]
Not wanting to disappoint your mysterious host, you get to work.
Note: This puzzle was not created by me, but it does have a known solution now. I've received permissions from the original author (
firstname.lastname@example.org) to upload them here.