You shouldn't have much trouble getting it down small enough as a 160x160 .jpg. Crank up the compression (crank down the quality) and you'll find a good balance.
FWIW, I just upped the avatar max size to 16,000 bytes, just so the youngsters don't call me old fashioned.
-dave
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...nowadays people are so intellectually lazy and lethargic that they can't build ANYTHING with their hands. They'll spend hours watching whiny people marooned on an island, but won't spend a second adding anything to the world. -weconway
Visit my
[Locost 7 build log]