Paul, I love your plugin and it is integral to my blog. Another donation soon. I wonder if you would entertain a minor feature request - actually an enhancement of existing one pertaining to sorting order. You currently have it so that the author avatars can be sorted in order of the number of posts they have published. I have some authors who produced well in the past but haven't done anything in a long time yet are still ranked above more recent productive authors. Could you add a feature or condition whereby its sorted by authors who have published the most posts in a certain period of time, e.g., the previous 6 months?