We currently changed the board settings about the avatar:
Max. Width: 250px
Max. Height: 250px
Any upload from your machine or off-site linking of an avatar will automatically be resized to fit in the maximum avatar dimensions.
We are doing this to avoid large avatars that will lengthen the page of the forum, or that will load the site slower.
Also, avatars containing obscene photo will automatically be deleted. Uploading your avatar in our system gives us the right to delete what violates the rule.
PlurkUnlimited Team