Without setting to a suitable filesize the extention is nearly useless. Either the users are abel to shrink their avatars in filesize and in image dimension, or they are unable to fit it into both requirements. Thats my experience as admin of a forum with 2500 users.
The extention works properly and it would be nice if you could ad the feature of filesize adaption.
A big thank you to all the people, spending time to keep phpBB running