Scarzzurs

Imagine this scenario: You've roamed the galleries of DeviantArt, and discovered the Fractal Gallery. You poke about, intruiged by this odd new artform you just discovered. Soon, you discover a stunning piece that blows you away with how awesome it is. You must comment. You must. Even though it has a fairly "empty" corner that bugs you and the colors could be just a little better.
But once the fractal's fullview loads, you're suddenly lost for words. How do you tell the artist who made this piece that while they've done a great job, there are some things that could be done better? It's a bit daunting, especially for someone who might not understand a fractal beyond this very broad of definitions: "An image of repeating forms created by mathematical equations."
Many people out there, I am sure, would love to say more about a fractal they like, or at least notice enough to give a critique that's more than just one sentence. However, they somehow feel lost for words, and settle on "Wow, n