The only thing about sizing the textures based on online gallery image is that I think there's a fair number of people that render things at a lot higher resolution.
For example, when I render things, I almost always render with print resolution in mind (so I can print a nice crisp 8x10) - then resize the original and save a duplicate for online galleries.

Hi, my namez: "NO, Bad Kitteh, NO!"  Whaz yurs?
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