i have a feeling it is below 200k, i just go for around the 100-150k mark and it seems to accept it. i think they get resized in posts (you can click on them to enlarge), generally around the 500-700 pixel on the long side is what i tend to do..

"In every colour, there's the light.
In every stone sleeps a crystal.
Remember the Shaman, when he used to say:
Man is the dream of the Dolphin"

Rich Meadows Photography