Nose art is so cool. It does, however, limit what you can call ships. After all, there are some names you can't have images for, or they wouldn't be easy. And every new ship you have, you'll have to creat a nose art graphic. But of course, that may only be for a small part of the fleet, so. It does add individuality to the ships, though. I know if I saw one of those going down, it would piss me off almost as much as the Galatea going down.
As for the render, your sigs are way too big, taking away from the image. I know you want to advertise, but this is silly. The sun looks odd. The rays are way too bright, too big, and a touch unrealistic. The planet looks good though, you can even see the lights of cities if you look hard enough. The ships should be a bit shaded as they are between us and the sun, much like the planets.
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Warpstorm. Do it now.
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I know there is a method, but all I see is madness.